@misc{indiciae6a02573e8ca4,
  title = {Stimulus generalization along one and two dimensions in pigeons.},
  author = {C M BUTTER},
  year = {1963},
  doi = {10.1037/h0040258},
  url = {https://pubmed.ncbi.nlm.nih.gov/14017413/},
  note = {Source identifier: 14017413}
}