@misc{indiciae2d11a658a6de,
  title = {A feedometer for the pigeon.},
  author = {H P Zeigler and R Feldstein},
  year = {1971},
  doi = {10.1901/jeab.1971.16-181},
  url = {https://pubmed.ncbi.nlm.nih.gov/5121855/},
  note = {Source identifier: 5121855}
}