@misc{indiciaef8b4fe17b389,
  title = {Goniophotography.},
  author = {O J Olsen},
  year = {1979},
  doi = {10.1097/00006324-197909000-00005},
  url = {https://pubmed.ncbi.nlm.nih.gov/532813/},
  note = {Source identifier: 532813}
}