TY  - JOUR
AU  - O'Brien, C
AU  - Burns, D
AU  - Minniti, Ronaldo
C2  - Metrology
DA  - 2017-08-01
LA  - en
M1  - 54
PB  - Metrology
PY  - 2017
TI  - Key comparison BIPM.RI(I)-K3 of the air-kerma standards of the NIST, USA and the BIPM in medium-energy x- rays
ER  -