@misc{indiciaeb9a0a8cb339f,
  title = {Reversible perspective figures and eye movements.},
  author = {L E Flamm and B O Bergum},
  year = {1977},
  doi = {10.2466/pms.1977.44.3.1015},
  url = {https://pubmed.ncbi.nlm.nih.gov/876774/},
  note = {Source identifier: 876774}
}