@misc{indiciaeab7a9ffabef4,
  title = {The marked item technique: a practical procedure for litter control.},
  author = {S C Hayes and V S Johnson and J D Cone},
  year = {1975},
  doi = {10.1901/jaba.1975.8-381},
  url = {https://pubmed.ncbi.nlm.nih.gov/16795503/},
  note = {Source identifier: 16795503}
}