@misc{indiciae385cbaa19097,
  title = {The sameness-difference discrimination problem in chimpanzee.},
  author = {J S ROBINSON},
  year = {1955},
  doi = {10.1037/h0042463},
  url = {https://pubmed.ncbi.nlm.nih.gov/13242689/},
  note = {Source identifier: 13242689}
}