@misc{indiciae928aeb1498c6,
  title = {A camera for contact microradiography.},
  author = {V Freitag and W Stetter},
  year = {1973},
  doi = {10.1259/dmfr.1973.0015},
  url = {https://pubmed.ncbi.nlm.nih.gov/4523339/},
  note = {Source identifier: 4523339}
}