@misc{indiciae45addf374799,
  title = {[Close-range retinoscopy using integrated optic range finding].},
  author = {W Kulnig},
  year = {1983},
  doi = {10.1055/s-2008-1054998},
  url = {https://pubmed.ncbi.nlm.nih.gov/6668884/},
  note = {Source identifier: 6668884}
}