@misc{indiciaec573fe8d7560,
  title = {Stereoscopic depth perception in the owl.},
  author = {R F van der Willigen and B J Frost and H Wagner},
  year = {1998},
  doi = {10.1097/00001756-199804200-00050},
  url = {https://pubmed.ncbi.nlm.nih.gov/9601700/},
  note = {Source identifier: 9601700}
}