@misc{indiciaef3ea0ca9f012,
  title = {A portable system for external photography.},
  author = {J A Wadsworth and M L Wolbarsht and M Bessler and D Hickingbotham},
  year = {1977},
  doi = {10.1016/0002-9394(77)90337-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/900212/},
  note = {Source identifier: 900212}
}