@misc{indiciae563c5b4003ae,
  title = {[Czech national standards for visual tests].},
  author = {J Peregrin and D Hejcmanová and M Kalinová and J Svĕrák},
  year = {1999},
  url = {https://pubmed.ncbi.nlm.nih.gov/10091377/},
  note = {Source identifier: 10091377}
}