@misc{indiciaee7d9abf24f2e,
  title = {Ray vector fields, prismatic effect, and thick astigmatic optical systems.},
  author = {W F Harris},
  year = {1996},
  doi = {10.1097/00006324-199606000-00010},
  url = {https://pubmed.ncbi.nlm.nih.gov/8807654/},
  note = {Source identifier: 8807654}
}