TY  - RPRT
TI  - Selection of coplanar or noncoplanar beams using three-dimensional optimization based on maximum beam separation and minimized nontarget irradiation.
AU  - S K Das
AU  - L B Marks
PY  - 1997
DO  - 10.1016/s0360-3016(97)89489-8
UR  - https://pubmed.ncbi.nlm.nih.gov/9231691/
ID  - 9231691
ER  -