TY  - JOUR
AU  - C O'Brien
AU  - D Burns
AU  - Ronaldo Minniti
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  -