@misc{indiciae82c6f30ebc83,
  title = {Apparent size.},
  author = {C O ROELOFS and W P ZEEMAN},
  year = {1955},
  doi = {10.1159/000302500},
  url = {https://pubmed.ncbi.nlm.nih.gov/14384219/},
  note = {Source identifier: 14384219}
}