TY  - RPRT
TI  - A widely applicable method for computing dose distributions from external megavoltage beams.
AU  - R L Thomas
AU  - J L Haybittle
PY  - 1975
DO  - 10.1259/0007-1285-48-573-749
UR  - https://pubmed.ncbi.nlm.nih.gov/810203/
ID  - 810203
ER  -