TY  - RPRT
TI  - Large efficiency improvements in BEAMnrc using directional bremsstrahlung splitting.
AU  - I Kawrakow
AU  - D W O Rogers
AU  - B R B Walters
PY  - 2004
DO  - 10.1118/1.1788912
UR  - https://pubmed.ncbi.nlm.nih.gov/15543798/
ID  - 15543798
ER  -