TY  - RPRT
TI  - Electron and photon transport in multi-layer media: notes on the Monte Carlo code ZTRAN 
AU  - Seltzer, S M
AU  - Berger, M J
PY  - 1984
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 84-2931
DO  - 10.6028/NBS.IR.84-2931
ER  -