@misc{indiciaed2d87cbeb36e,
  title = {CT reconstruction from fan data using parallel backprojection.},
  author = {T Bortfeld and U Oelfke},
  year = {1999},
  doi = {10.1118/1.598709},
  url = {https://pubmed.ncbi.nlm.nih.gov/10505896/},
  note = {Source identifier: 10505896}
}