@misc{indiciae9e393cc0c2a7,
  title = {Learning sets and object-size effects in visual discrimination learning by raccoons.},
  author = {J I JOHNSON and K M MICHELS},
  year = {1958},
  doi = {10.1037/h0049010},
  url = {https://pubmed.ncbi.nlm.nih.gov/13563713/},
  note = {Source identifier: 13563713}
}