OOIR: Observatory of International Research

Papers

(The median citation count of Metrologia is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-09-01 to 2025-09-01.)

Article	Citations
Calibration of gauge blocks by optical interferometry comparison - final report	81
SIM Thermocouple Type S Supplementary Comparison	24
Adoption of ICRU report 90 recommendations in the Canadian Co-60 air-kerma primary standard	22
Report of the CCRI(II) supplementary international comparison of measurement of activity per unit mass of Cs-134 and Cs-137 in wheat flour (CCRI(II)-S13)	20
Corrigendum: Detection and identification of faults in clock ensembles with the generalized likelihood ratio test (2022 Metrologia 59 045010)	18
SIM supplementary comparison on calibration of conventional mass of a 20 kg weight	17
Absolute frequency measurement of a Lu⁺ (³D₁) optical frequency standard via link to international atomic time	16
Final report of the supplementary comparison between NIMT and LNE on pressure standards in the range 50 MPa to 500 MPa of hydraulic gauge pressure	16
Key comparison CCQM-K179 - polar analyte in solid organic material: mass fraction of oxytetracycline hydrochloride salt	16
Comparison of calibration of multimeter	15
Final report on the EURAMET key comparison EURAMET AUV.V-K5	15
Update of the BIPM comparison BIPM.RI(II)-K1.Ga-67 of activity measurements of the radionuclide ⁶⁷Ga to include the 2023 result of the CMI (Czechia)	14
Final report, ongoing key comparison BIPM.QM-K1, ozone at ambient level, comparison with EMPA, June 2023	14
Measurement of melting and freezing temperature of iron using radiation thermometry	14
Report on EURAMET supplementary comparison on measurement of a 1 mm stage micrometer	14
Final report of APMP.AUV.V-S1: supplementary comparison on calibration of laser tachometers using mechanical generators	13
Final Report on key comparison EURAMET.M.P K4.2020 in the range from 1 Pa to 15 kPa of absolute and gauge pressure	13
APMP key comparison of AC-DC current transfer standards: final report	13
Comparison between four integer ambiguity resolved PPP GNSS time transfer software solutions	13
Update of the BIPM comparison BIPM.RI(II)-K1.Sn-113 of activity measurements of the radionuclide ¹¹³Sn to include the 2017 result of the LNE-LNHB (France)	12
Final report of CCQM-K96.2023: assay of potassium dichromate	12
Detection and identification of faults in clock ensembles with the generalized likelihood ratio test	12
Bilateral comparison of 1 Ω and 10 kΩ standards (ongoing BIPM key comparison BIPM.EM-K13) between the NPLI (India) and the BIPM	12
Bilateral Comparison of 1.018 V and 10 V Standards between the SMD (Belgium) and the BIPM, October to December 2021 (part of the ongoing BIPM key comparison BIPM.EM-K11)	12
Report on comparison EURAMET.M.M-S10 (comparison of sub-multiples of the kilogram)	12

High precision roundness measurement by error separation techniques (EURAMET.L-S30)	11
Characterization of the LED filament lamp for luminous intensity calibration	11
Comparison of low air speed facilities	11
Key comparison BIPM.RI(I)-K2 of the air-kerma standards of the BFKH, Hungary, and the BIPM in low-energy x-rays	11
Relating SI units to the ‘defining constants’	11
CCQM-K68.2019, nitrous oxide (N₂O) in air, ambient level, final report	11
CIPM key comparison of viscosity CCM.V-K4	11
NTSC SrII optical lattice clock with uncertainty of 2	10
EURAMET.M.FF-S13 final report	10
Corrigendum: Uncertainty of the measurement of the frequency dependence of four-terminal pair capacitance with a four-channel vector network analyzer (2025 Metrologia 62 025011)	10
Determining the calibration factor of Rn-220 by low-pressure scintillation cell	10
The irony of the magnet system for Kibble balances—a review	10
Report on the APMP key comparison of hydrometer calibrations APMP.M.D-K4	10
Comparison in dynamic primary calibration of digital-output accelerometer between CEM and PTB	9
Autocollimators: plane angle measurand ambiguities and the impact of surface form	9
Economic optimization of acceptance interval in conformity assessment: 1. Process with no systematic effect	9
Key comparison BIPM.RI(I)-K7 of the air-kerma standards of the BFKH, Hungary, and the BIPM in mammography x-rays	8
Comparison of blackbody for clinical infrared ear thermometers	8
CCM.G-K2.2023: CIPM key comparison of absolute gravimeters	8
Discussion on the calculation of the uncertainties of [UTC-UTC(k)]	8
Key comparison BIPM.RI(I)-K5 of the air-kerma standards of the GUM, Poland and the BIPM in ¹³⁷Cs gamma radiation	8
Series connection of quantum Hall resistance array and programmable Josephson voltage standard for current generation at one microampere	8
The forgotten (?) potentiometric method in thermometry	7
Key comparison CCQM-K148.b - polar analyte in solid organic material: mass fraction of oxytetracycline	7
Final report on key comparison APMP.M.P-K7.2 in hydraulic gauge pressure from 10 MPa to 100 MPa	7
Machine learning based priors for Bayesian inversion in MR imaging	7
Final report on the supplementary comparison EURAMET.AUV.V-S2	7
Traceable characterisation of fibre-coupled single-photon detectors	6
Final report for CCQM-P212: coherence of carbon isotope delta reference materials	6
Dual-mode room temperature self-calibrating photodiodes approaching cryogenic radiometer uncertainty	6
Accurate characterisation of optical diffuse transmission—primary facility and extension to translucent samples	6
High polarity analyte(s) in aqueous media: Determination of L-PFOA and L-PFOS in ground water	6
Phase shifting angle interferometer	6
Measurement model of circadian action factor of phosphor-converted white LEDs based on photometric, electrical, and thermal properties	6
Report on APMP key comparison: calibration of line scale (APMP.L-K7)	6
Room temperature dual-mode internal quantum deficiency measurement with propagated uncertainty to 0.03% (k = 2)	6
The unusual status of the hectare in the SI	6
Achievement of 0.005% combined transfer uncertainties in the NIST detector calibration facility	6
A proposal for three categories of units within the SI	6
Ambient humidity, the overlooked influencer of radioactivity measurements	6
Gas viscosities from a semiconductor-manufacturing mass-flow controller	6
International comparison CCQM-K165: dimethyl sulfide in nitrogen at 5 nmol mol^-1	5
Continuous GPS PPP-AR frequency transfer links	5
Key comparison COOMET.QM-K120 "Carbon dioxide in air at urban level (480–800) μmol/mol"	5
Key comparison CCEM.RF-K27.W of RF power from 50 GHz to 75 GHz in rectangular waveguide	5
Linkage for Metrosert to CCT-K9 via the EURAMET-T.K9.1 bilateral comparison	5
Bilateral comparison of 10 pF and 100 pF standards (ongoing BIPM key comparisons BIPM.EM-K14.a and 14.b) between the NMIM (Malaysia) and the BIPM	5
Measurement science meets the reproducibility challenge	5
Accurate density measurement of a small solid sample using a combination of hydrostatic weighing and pressure-of-flotation methods	5
Precision control of resistive power in Kibble balance coils: an advanced method for minimizing temperature-related magnetic errors	5

Evaluation of the transportable atom gravimeter HUST-QG	5
A new interpolation equation in the ITS-90 subrange from the triple point of water to the freezing point of indium	5
Power of a test for assessing interlaboratory consensus of nominal and ordinal characteristics of a substance, material, or object	5
Precise high resistance comparison between the NMIJ traveling dual source bridge and the NIST adapted Wheatstone bridge	5
AFRIMETS.AUV.A-S2 final report, calibration of a multi-function acoustic calibrator	5
Erratum: Metrological characterization of a commercial single-photon source with high photon flux emission (2024 Metrologia 61 054001)	5
Comparison of PLTS-2000 and the magnetic field fluctuation thermometer at LNE-Cnam	5
Multi-taper-based automatic correction of non-anechoic antenna measurements	5
Update of the BIPM comparison BIPM.RI(II)-K1.Co-57 of activity measurements of the radionuclide ⁵⁷Co to include the 2023 result of the BEV (Austria)	5
Final report on the CCM key comparison of kilogram realizations CCM.M-K8.2021	5
Bilateral comparison in torque transducer calibration between CENAM, Mexico and CEM, Spain, SIM.M.T-S1	5
Continuous IPPP links for UTC	4
Pilot study CCQM-P172 – spectroscopic methods for HNO₃ value assignment	4
Activity measurements of the radionuclides ^99mTc, ¹⁸F and ⁶⁴Cu for the POLATOM, Poland, in the ongoing comparisons BIPM.RI(II)-K4 series and KCRV update in the corres	4
Key comparison BIPM.RI(I)-K4 of the absorbed dose to water standards of the NMIJ, Japan, and the BIPM in ⁶⁰Co gamma radiation	4
A Bayesian statistical method for large-scale MEMS-based sensors calibration: a case study on 100 digital accelerometers	4
International comparison CCQM-K3.2019 automotive exhaust gases	4
Key comparison BIPM.RI(I)-K5 of the air-kerma standards of the BEV, Austria and the BIPM in ¹³⁷Cs gamma radiation	4
Primary standard for traceability in low liquid hydrocarbon fuel flow rates	4
Final report on the APMP regional comparison of type R thermocouples calibration at Cu, Co-C and Pd fixed points, APMP.T-S16	4
Precision measurement of an electron pump at 2 GHz; the frontier of small DC current metrology	4
Calibration of GNSS stations for UTC	4
A proposal to change the leap-second adjustments to coordinated universal time	4
First evaluation of the primary frequency standard NTSC-CsF2	4
Corrigendum: Refractive index gas thermometry between 13.8 K and 161.4 K (2021 Metrologia 58 025008)	4
Final report on EURAMET key comparison EURAMET.M.D-K2.2 (1523)	4
Assay of sodium carbonate	4
APMP key comparison of luminous intensity (APMP.PR-K3.a): final report	4
Gonioreflectometer for measuring 3D spectral BRDF of horizontally aligned samples with traceability to SI	4
Final report, ongoing key comparison BIPM.QM-K1, ozone at ambient level, comparison with NIST, July 2022	4
Final report, On-going Key Comparison BIPM.QM-K1, Ozone at ambient level, comparison with NIM Oct.2023	4
Key comparison study - organic solvent calibration solution - gravimetric preparation and value assignment of deoxynivalenol (DON) in acetonitrile (ACN)	4
Supplementary comparison for the traceability of AC high voltage reference measuring systems up to 200 kV (EURAMET.EM-S33)	4
Key comparison BIPM.RI(I)-K8 of high dose-rate ¹⁹²Ir brachytherapy standards for reference air kerma rate of the NIM and the BIPM	4
Comparison BIPM.RI(I)-K6 of the standards for absorbed dose to water of the NRC, Canada and the BIPM in accelerator photon beams	4
Bilateral comparison of irradiance scales between PMOD/WRC and PTB for longwave downward radiation measurements	4
Automatic alignment technique for the suspended coil in the joule balance	4
Final report, ongoing key comparison BIPM.QM-K1, ozone at ambient level, comparison with INRIM, February 2022	3
Analysis of reproducibility by using inclusive and exclusive statistics in the framework of a bilateral comparison	3
Calibration of a step gauge (APMP.L-K5.n01)	3
Report on the AFRIMETS.M. F-S1 supplementary force comparison for 10 kN and 100 kN	3
Practical realisation of the kelvin by Johnson noise thermometry	3
Comparison of standards for the calibration of stopwatches	3
A constant pressure flowmeter for extreme-high vacuum	3
Report of the comparison BIPM.QM-K2.b, on carbon dioxide in nitrogen at ambient levels, with E+ E Elektronik (2025)	3
Advancements in the NRC-FCs2 primary frequency standard	3
Comment on ‘On the dimension of angles and their units’	3
Phase transition behavior of pure Fe cells for thermocouple calibration	3
An assessment of the ageing of the absolute spectral responsivity of trap detectors at krypton ion laser emission wavelengths	3
Final report "Key comparison CCM.FF-K1.2015 - water flow: 30 m³/h ... 200 m³/h"	3
Bilateral supplementary comparison of high voltage transformer measuring systems	3
Measurement of average mass attenuation coefficient of air for ¹³⁷Cs gamma-ray irradiation beam	3
Developing calibration and measurement capabilities for atmospheric CH₄ stable isotope ratios at NMIs/DIs: metrology for global comparability	3
Key comparisons of air kerma and absorbed dose to water standards in ⁶⁰Co radiation beam (EURAMET.RI(I)-K1.3 and EURAMET.RI(I)-K4.3)	3
Key comparison BIPM.RI(I)-K1 of the air-kerma standards of the KRISS, Republic of Korea and the BIPM in ⁶⁰Co gamma radiation	3
Report on the key comparison, CCM.F-K23 in force at 200 N and 500 N	3
Calibration of an ionisation chamber for parent–progeny decay	3
Comparison report between NIM and CMS of the ITS-90 realization at the triple point of argon	3
Key comparison study on peptide purity - glycated hexapeptide of HbA1c	3
Bilateral comparison of 1.018 V and 10 V standards between CSIR-NPL (India) and the BIPM, April to June 2022 (part of the ongoing BIPM key comparison BIPM.EM-K11.a and b)	3
Comparison of methods to determine the fluence of monoenergetic neutrons in the energy range from 30 keV to 14.8 MeV	3
Torque euramet supplementary comparison EURAMET.M.T-S4 (Euramet Project 1304) from 0.1 N·m to 5 N·m and from 5 N·m to 50 N·m	3
GPS PPP-AR frequency transfer and its application for comparing atomic fountain primary frequency standards between NRC and PTB	3
Activity measurements of the radionuclides ¹⁸F, ⁶⁴Cu and ^99mTc for the ANSTO, Australia, in the ongoing comparisons BIPM.RI(II)-K4 series and KCRV update in the corre	3
Comparison of primary standards for liquid flow - flow range (0.1 to 10) µL/min	3
Final report of CCQM-K96.2023.1: assay of potassium dichromate	3
New impedance bridge at LNE for the two terminal-pair AC resistor calibration up to 20 kHz	3
Method to traceably determine the refractive index by measuring the angle of minimum deviation	3
A two-capillary viscometer for temperatures up to 473 K and pressures up to 100 MPa—operation and verification at low pressure	3
Final report of CCQM-K157 for the measurement of the amount of substance of HfO₂ expressed as the thickness of nm films	3
Bilateral key comparison EURAMET.EM-K11.1 "AC-DC Voltage Transfer Difference at Low Voltages"	3
Final report of CCQM-P204, comparison on CO₂ isotope ratios in pure CO₂	3
CIPM key comparison CCPR-K1.a.2017 for spectral irradiance 250 nm to 2500 nm. Final report	3
Measurement method of the solar diffuser bidirectional reflectance distribution function in the short-wave infrared band	3
CCQM-P206, nitrous oxide (N₂O) in air, ambient level, pilot study run in parallel with CCQM-K68.2019	3
Phase-stepping interferometry for parallelism measurement of step gauge faces	3
Reply to Comment on ‘On the dimension of angles and their units’	3
Final report, ongoing key comparison BIPM.QM-K1, ozone at ambient level, comparison with CMS/ITRI, March 2024	3
Long-term stability of molecular doped epigraphene quantum Hall standards: single elements and large arrays (R _K/236 ≈ 109 Ω)	3
AFRIMETS supplementary comparison on pin gauges	3

Key comparison BIPM.RI(I)-K2 of the air-kerma standards of the GUM, Poland, and the BIPM in low-energy x-rays	3
AFRIMETS supplementary comparison on calibration of dial gauge	2
Comparison BIPM.RI(I)-K6 of the standards for absorbed dose to water of the ARPANSA, Australia, and the BIPM in accelerator photon beams	2
Update of the BIPM comparison BIPM.RI(II)-K1.Mn-54 of activity measurements of the radionuclide ⁵⁴Mn to include the 2024 result of the POLATOM (Poland)	2
Supplementary comparison of the measurement of the alpha and beta particle surface emission rates from large area sources (CCRI(II)-S10 LASCE)	2
EURAMET supplementary comparison EURAMET.L-S26.1, measurement of groove depth standards in the range 5 μm up to 0.9 mm	2
Measurement of bidirectional transmittance distribution function in the visible and near-infrared spectral range	2
Calibration of the microphone sensitivity below 0.5 Hz using the liquid-column-type sound pressure generator	2
SIM.T-K9.3: Standard platinum resistance thermometer ITS-90 realizations from the Hg triple point to the Zn freezing point	2
PAWG pilot study on quantification of total haemoglobin in blood	2
A test of measurement results with increased sensitivity to inconsistency	2
Characterization of the collisional frequency shift in an atomic fountain clock using absorption imaging	2
Elements in lipstick material	2
Bilateral comparison of 1.018 V and 10 V standards between INRIM (Italy) and the BIPM, November to December 2023 (part of the ongoing BIPM key comparison BIPM.EM-K11.a and b)	2
Final report on CCQM-K167: carbon isotope delta measurements of vanillin	2
Speedy in-situ magnetic field compensation algorithm for multiple-channel single-beam SERF atomic magnetometers	2
Update of the BIPM comparison BIPM.RI(II)-K1.Ba-133 of activity measurements of the radionuclide ¹³³Ba to include the 2016 result of the NRC (Canada), the 2018 result of the TENMAK-NÜKEN (T	2
High polarity analyte(s) in aqueous media: determination of L-PFOA and L-PFOS in ground water	2
Final report, on-going key comparison BIPM.QM-K1, ozone at ambient level, comparison with NIMT, September 2022	2
Novel developments of refractive power measurement techniques in the automotive world	2
A robust time scale for space applications using the student’s t-distribution	2
Calibration of angle standards	2
On modelling of artefact instability in interlaboratory comparisons	2
International comparison CCQM-P229 pilot study to measure line intensities of selected ¹²C¹⁶O transitions	2
CCQM-K158 elements and inorganic arsenic in rice flour	2
Characterization of laser-pumped Cs-⁴He atomic magnetometer	2
Impact study of numerical discretization accuracy on parameter reconstructions and model parameter distributions	2
Subsequent bilateral key comparison study - organic solvent calibration solution - gravimetric preparation and value assignment of aflatoxin B1 (AfB1) in acetonitrile (ACN)	2
A three-cornered hat analysis of instabilities in two-way and GPS carrier phase time transfer systems	2
Repeatability of a primary thermometer and calibration of resistance thermometers between 5 K and 25 K	2
APMP.QM-S19: Toxic elements in seafood	2
Supplementary comparison CCRI(I)-S3 of standards for absorbed dose to water in ⁶⁰Co gamma radiation at radiation processing dose levels	2
Extension to the range of prefixes for binary multiples	2
Update of the BIPM comparison BIPM.RI(II)-K1.Tl-201 of activity measurements of the radionuclide ²⁰¹Tl to include the 2011 result of the NIST (United States)	2
Primary calibration for airborne infrasound utilizing the vertical gradient of the ambient pressure	2
ITS-90 SPRT calibration from the Ar TP to the Zn FP	2
The isotopic composition of the new enriched silicon crystal Si28-31Pr11: maintaining the realization and dissemination of the mole and the kilogram via the XRCD method	2
Final report on GULFMET supplementary comparison of high current transformer measuring systems (GULFMET.EM-S7)	2
CCQM-K176 breast cancer biomarker HER2 copy number variation (CNV) measurement	2
Speed of sound measurements and derived third and fourth acoustic virial coefficients of supercritical neon	2
Thermodynamic effects in a gas modulated Invar-based dual Fabry–Pérot cavity refractometer	2
Bilateral comparison of 1.018 V and 10 V standards between DEFNAT (Tunisia) and the BIPM, April to June 2022 (part of the ongoing BIPM key comparison BIPM.EM-K11.a and b)	2
Absolute frequency measurement of the ⁸⁷Sr optical lattice clock at NTSC using international atomic time	2
EURAMET.T-K9 regional key comparison ITS-90 SPRT calibration from the Ar TP to the Zn FP	2
Noise-induced servo errors in optical clocks utilizing Rabi interrogation	2
Evaluation of the relativistic redshift in frequency standards at KRISS	2
Traceable spectral interferometry for length measurement	2
Supplementary comparisons of national standards of ratio error and phase displacement of AC voltage of power frequency COOMET 411/RU-a/07 (COOMET.EM-S6)	2
Final report on key comparison APMP.AUV.A-K5	2
Comparison of partial discharge (PD) calibrators from 0.1 pC to 10 nC	2
Iodine frequency-stabilized HeNe laser amplified by injection locking of a semiconductor laser diode	2
APMP supplementary international comparison of activity measurement of Cs-134 and Cs-137 in brown rice	2
AFRIMETS supplementary comparison on calibration of external micrometer	1
Key comparison BIPM.RI(I)-K4 of the absorbed dose to water standards of the NRC, Canada and the BIPM in ⁶⁰Co gamma radiation	1
Final report, ongoing key comparison BIPM.QM-K1, ozone at ambient level, comparison with UNAL-CALAIRE (November 2023)	1
Final report for SIM.QM-S12: supplementary comparison for trace elements in natural water	1
Final report on the key comparison CCAUV.A-K6	1
Statistics for quantifying aging in time transfer system delays	1
Bilateral key comparisons of dew point temperature standards of national metrological institutes	1
Key comparison BIPM.RI(I)-K1 of the air-kerma standards of the NMIJ, Japan and the BIPM in ⁶⁰Co gamma radiation	1
Key comparison study on peptide purity - hexapeptide of HbA0	1
APMP.M.H-S5 final report of the supplementary comparison of Brinell hardness	1
APMP key comparison report of air kerma for ¹³⁷Cs (APMP.RI(I)-K5)	1
CCQM-K160: platinum group elements in automotive catalyst	1
High-fidelity analysis of the electro-optical non-equivalence of planar electrical substitution radiometers^*	1
Report on key comparison AFRIMETS.AUV.V-K5 and linking to CCAUV.V-K5	1
CCAUV.W-K2 final report - key comparison CCAUV.W-K2: calibration of hydrophones in the frequency range from 250 Hz to 500 kHz	1
Activity measurements of the radionuclides ¹⁸F, ⁶⁴Cu, ^99mTc and ¹¹C for the NRC, Canada, in the ongoing comparisons BIPM.RI(II)-K4 series and KCRV update in	1
Economic optimization of acceptance interval in conformity assessment: 2. Process with unknown systematic effect	1
On the dimension of angles and their units	1
Final report, ongoing key comparison BIPM.QM-K1, ozone at ambient level, comparison with NMC-A*STAR, July 2022	1
CCQM-K161 "Anions in Seawater"	1
Evaluations of the decay data of ⁵²Mn, ^52mMn, ¹²⁴I and ¹³¹Cs from the Decay Data Evaluation Project (DDEP)—2021	1
Final report for CCQM-K133: Low-polarity analytes in plastics-phthalate esters in polyvinyl chloride (PVC)	1
Traceability for nuclear medicine: the status of primary radioactivity standards	1
EURAMET Key Comparison EURAMET.M.D-K4.2020: Hydrometer calibration comparison from 600 kg/m³ to 2000 kg/m³	1
Corrigendum: Corrections to a proposal for three categories of units within the SI (2024 Metrologia 61 033001)	1
Subsequent key comparison of the pH of a borate buffer	1
Bilateral comparison of 1.018 V and 10 V standards between the NSAI (Ireland) and the BIPM, May to June 2024 (part of the ongoing BIPM key comparison BIPM.EM-K11.a and b)	1
New beta primary standard (BPS2) and revised ISO 6980 at PTB	1
Update of the BIPM comparison BIPM.RI(II)-K1.Cs-137 of activity measurements of the radionuclide ¹³⁷Cs to include the 2014 result of the NRC (Canada) and the 2018 result of the TENMAK-NÜKEN	1
Thickness and refractive index measurements of a thin-film using an artificial neural network algorithm	1
Update of the BIPM comparison BIPM.RI(II)-K1.Lu-177 of activity measurements of the radionuclide ¹⁷⁷Lu to include the 2023 result of the CMI (Czechia)	1
Instrumentation and uncertainty evaluation for absolute characterization of thin films and nanostructured surfaces in advanced optical metrology	1
Conversion of a piston–cylinder dimensional dataset to the effective area of a mechanical pressure generator	1
Final report of APMP.AUV.V-S2: supplementary comparison on calibration of laser tachometers using mechanical generators or optical simulators	1
Small mass value realization equivalent to accuracy class E1 using the Planck-Balance at PTB	1
Traceable methods for calibrating condensation particle counters at concentrations down to 1 cm⁻³	1
International comparison CCQM-K150: particle number concentration (100 to 20 000 cm^-3) and particle charge concentration (0.15 to 3 fC cm^-3)	1
COOMET regional comparison of the national standards of air kerma for x-radiation qualities used for radiation protection and diagnostic radiology (COOMET.RI(I)-S3)	1
AFRIMETS supplementary comparison on calibration of setting rods	1
Supplementary comparison of national standard instruments in the field of magnetic flux density and magnetic flux measurements by sensing coils	1
Key comparison BIPM.RI(I)-K1 of the air-kerma standards of the NIST, USA and the BIPM in ⁶⁰Co gamma radiation	1
Key comparison BIPM.RI(I)-K3 of the air-kerma standards of the PTB, Germany, and the BIPM in medium-energy x-rays	1
On the rationale for recent updates to the SI Brochure concerning angles and quantities with the unit one	1