@misc{indiciae7bd1a34a4ba9,
  title = {Is the illusory triangle physical or imaginary?},
  author = {A P Ginsburg},
  year = {1975},
  doi = {10.1038/257219a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/1161021/},
  note = {Source identifier: 1161021}
}