@misc{indiciae138781546c58,
  title = {A finite size pencil beam algorithm for IMRT dose optimization: density corrections.},
  author = {U Jeleń and M Alber},
  year = {2007},
  doi = {10.1088/0031-9155/52/3/006},
  url = {https://pubmed.ncbi.nlm.nih.gov/17228109/},
  note = {Source identifier: 17228109}
}