TY  - RPRT
TI  - Calibration of gamma-ray-emitting brachytherapy sources 
AU  - Weaver, James T
AU  - Loftus, Thomas P
AU  - Loevinger, Robert
PY  - 1988
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 250-19
DO  - 10.6028/NBS.SP.250-19
ER  -