@misc{indiciae05487f9cf165,
  title = {BACKWARD MASKING FOR LETTERS.},
  author = {P H SCHILLER},
  year = {1965},
  doi = {10.2466/pms.1965.20.1.47},
  url = {https://pubmed.ncbi.nlm.nih.gov/14286555/},
  note = {Source identifier: 14286555}
}