@misc{indiciaefb60e82743de,
  title = {Effects of instructions and training on shape constancy.},
  author = {C L Gregg and R Pasnak},
  year = {1971},
  doi = {10.2466/pms.1971.32.2.485},
  url = {https://pubmed.ncbi.nlm.nih.gov/5089073/},
  note = {Source identifier: 5089073}
}