TY  - RPRT
TI  - Improved point kernels for electron and beta-ray dosimetry 
AU  - Berger, Martin J
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 73-107
DO  - 10.6028/NBS.IR.73-107
ER  -