Dr Armin Sperling
Consultative Committee for Photometry and Radiometry
Experts
From 10 to 11 May 2022
Consultative Committee for Photometry and Radiometry
Experts
From 19 to 20 September 2019
Consultative Committee for Photometry and Radiometry
Experts
From 22 to 23 September 2016
CCU-CCQM Workshop
Participant
From 28 to 30 March 2023
CCPR Working Group on Key Comparisons
Participant
29 November 2022
KCDB 2.0 - CMC Writers
Participant
15 March 2022