@misc{indiciae7b4b60e71ac4,
  title = {Seven-pinhole tomography--a technical description.},
  author = {M T LeFree and R A Vogel and D L Kirch and P P Steele},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/6969791/},
  note = {Source identifier: 6969791}
}