@misc{indiciae234a82c611a8,
  title = {Automatic source positioning for Cathetron treatments.},
  author = {D H Twiss and A L Bradshaw},
  year = {1970},
  doi = {10.1259/0007-1285-43-505-48},
  url = {https://pubmed.ncbi.nlm.nih.gov/5411567/},
  note = {Source identifier: 5411567}
}