@misc{indiciae61f70b8e12b3, title = {A three-dimensional electron pencil-beam algorithm.}, author = {H M Kooy and H Rashid}, year = {1989}, doi = {10.1088/0031-9155/34/2/007}, url = {https://pubmed.ncbi.nlm.nih.gov/2928387/}, note = {Source identifier: 2928387} }