@misc{indiciae78483ddb6631,
  title = {Frequency analysis of accommodation, accommodative vergence and disparity vergence.},
  author = {V V Krishnan and S Phillips and L Stark},
  year = {1973},
  doi = {10.1016/0042-6989(73)90013-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4719086/},
  note = {Source identifier: 4719086}
}