TY  - RPRT
TI  - Fast Monte Carlo dose calculation for photon beams based on the VMC electron algorithm.
AU  - M Fippel
PY  - 1999
DO  - 10.1118/1.598676
UR  - https://pubmed.ncbi.nlm.nih.gov/10501045/
ID  - 10501045
ER  -