@misc{indiciaecf39c2c2ce41,
  title = {Doubt and certainty in counting.},
  author = {R W Guillery and B K August},
  year = {2002},
  doi = {10.1016/s0079-6123(02)35005-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/12143345/},
  note = {Source identifier: 12143345}
}