@misc{indiciaea09c6c144759,
  title = {The "crescentic" ellipse: a note on technique.},
  author = {M N Saad},
  year = {1982},
  doi = {10.1016/s0007-1226(82)90135-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/7150865/},
  note = {Source identifier: 7150865}
}