TY  - RPRT
TI  - Air-kerma-rate coefficients for selected photon-emitting radionuclide sources 
AU  - Seltzer, Stephen M
PY  - 2003
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 7092
DO  - 10.6028/NIST.IR.7092
ER  -