@misc{indiciae94d41417bd59,
  title = {[A quantitative perimetry chart].},
  author = {N V Tsvetkov and Iu I Bel'skiĭ},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3587830/},
  note = {Source identifier: 3587830}
}