@misc{indiciaec21b2a348772,
  title = {Forward and adjoint methods for radiotherapy planning.},
  author = {F C Difilippo},
  year = {1998},
  doi = {10.1118/1.598358},
  url = {https://pubmed.ncbi.nlm.nih.gov/9775376/},
  note = {Source identifier: 9775376}
}