@misc{indiciae8eeac37130df,
  title = {A rigid, transparent manipulandum for visual displays.},
  author = {V J Polidora},
  year = {1965},
  doi = {10.2466/pms.1965.21.2.625},
  url = {https://pubmed.ncbi.nlm.nih.gov/4954592/},
  note = {Source identifier: 4954592}
}