TY  - RPRT
TI  - Dose calculations for irregular fields using three-dimensional first-scatter integration.
AU  - R Boesecke
AU  - G H Hartmann
AU  - H Scharfenberg
AU  - W Schlegel
PY  - 1986
DO  - 10.1088/0031-9155/31/3/009
UR  - https://pubmed.ncbi.nlm.nih.gov/3714808/
ID  - 3714808
ER  -