@misc{indiciae4a61ac23dc05,
  title = {Hering's illusion.},
  author = {K HOLT-HANSEN},
  year = {1961},
  doi = {10.1111/j.2044-8295.1961.tb00796.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13908587/},
  note = {Source identifier: 13908587}
}