TY  - RPRT
TI  - Modelling pencil-beam divergence with the electron pencil-beam redefinition algorithm.
AU  - R A Boyd
AU  - K R Hogstrom
AU  - R A White
AU  - G Starkschall
PY  - 2001
DO  - 10.1088/0031-9155/46/11/306
UR  - https://pubmed.ncbi.nlm.nih.gov/11720350/
ID  - 11720350
ER  -