@misc{indiciaee9f2baf91347,
  title = {A manual counter for recording multiple behavior.},
  author = {R L Mattos},
  year = {1968},
  doi = {10.1901/jaba.1968.1-130},
  url = {https://pubmed.ncbi.nlm.nih.gov/16795168/},
  note = {Source identifier: 16795168}
}