@misc{indiciaeecea159bb620,
  title = {Trial and error learning in paramecium: a replication.},
  author = {T E Hanzel and W B Rucker},
  year = {1972},
  doi = {10.1016/s0091-6773(72)80180-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/4655406/},
  note = {Source identifier: 4655406}
}