@misc{indiciaea9c516d0c6f2,
  title = {Perspective and the rotating trapezoid.},
  author = {M L Braunstein and J W Payne},
  year = {1968},
  doi = {10.1364/josa.58.000399},
  url = {https://pubmed.ncbi.nlm.nih.gov/5642206/},
  note = {Source identifier: 5642206}
}