TY  - JOUR
AU  - Stephen Seltzer
AU  - F. Bergstrom
C2  - Journal of Research of the National Institute of Standards and Technology
DA  - 2003-01-01
LA  - en
M1  - 108
PB  - Journal of Research of the National Institute of Standards and Technology
PY  - 2003
TI  - Changes in the U.S. Primary Standards for the Air Kerma from Gamma-Ray Beams
ER  -