@misc{indiciaed76402099efd,
  title = {Accommodative tracking: a trial-and-error function.},
  author = {A Troelstra and B L Zuber and D Miller and L Stark},
  year = {1964},
  doi = {10.1016/0042-6989(64)90044-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/5888627/},
  note = {Source identifier: 5888627}
}