TY  - RPRT
TI  - A gradient inverse planning algorithm with dose-volume constraints.
AU  - S V Spirou
AU  - C S Chui
PY  - 1998
DO  - 10.1118/1.598202
UR  - https://pubmed.ncbi.nlm.nih.gov/9547499/
ID  - 9547499
ER  -