@misc{indiciae7bc8fa72686b,
  title = {[Accommodation and refraction according to research data using cobalt glass].},
  author = {V V Volkov and L N Kolesnikova},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4720213/},
  note = {Source identifier: 4720213}
}