@misc{indiciae2367ef1ef0a0,
  title = {Secondary generalization and categorization in pigeons.},
  author = {R S Bhatt and E A Wasserman},
  year = {1989},
  doi = {10.1901/jeab.1989.52-213},
  url = {https://pubmed.ncbi.nlm.nih.gov/16812595/},
  note = {Source identifier: 16812595}
}