@misc{indiciae0289abaf0e34,
  title = {Low-cost computer-controlled asynchronous-video cross-hair device.},
  author = {J J Glerum and E A Pino and R van Mastrigt},
  year = {1987},
  doi = {10.1007/bf02443371},
  url = {https://pubmed.ncbi.nlm.nih.gov/3451000/},
  note = {Source identifier: 3451000}
}