@misc{indiciaef7a7e0ff05a6,
  title = {[A variable cross cylinder with extended scale].},
  author = {J Reiner},
  year = {1984},
  doi = {10.1055/s-2008-1054557},
  url = {https://pubmed.ncbi.nlm.nih.gov/6482282/},
  note = {Source identifier: 6482282}
}