TY  - RPRT
TI  - A light analog system for radiotherapy planning.
AU  - G S Freedman
AU  - P N Goodwin
PY  - 1969
DO  - 10.2214/ajr.105.3.648
UR  - https://pubmed.ncbi.nlm.nih.gov/4180247/
ID  - 4180247
ER  -