@misc{indiciae9dfa4644da89,
  title = {An inverse problem in radiation therapy.},
  author = {N H Barth},
  year = {1990},
  doi = {10.1016/0360-3016(90)90111-v},
  url = {https://pubmed.ncbi.nlm.nih.gov/2303369/},
  note = {Source identifier: 2303369}
}