@misc{indiciaedc51192828f5,
  title = {Observations on accommodative convergence; especially its nonlinear relationships.},
  author = {T G MARTENS and K N OGLE},
  year = {1959},
  url = {https://pubmed.ncbi.nlm.nih.gov/13617373/},
  note = {Source identifier: 13617373}
}