@misc{indiciae8a57fc9813f9,
  title = {Simplified goniophotography.},
  author = {D B Sloan and P R Lichter},
  year = {1967},
  doi = {10.1016/0002-9394(67)93674-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/6027359/},
  note = {Source identifier: 6027359}
}