@misc{indiciae092942ce1d2a,
  title = {A probability-based formula for calculating interobserver agreement.},
  author = {A R Yelton and B G Wildman and M T Erickson},
  year = {1977},
  doi = {10.1901/jaba.1977.10-127},
  url = {https://pubmed.ncbi.nlm.nih.gov/16795541/},
  note = {Source identifier: 16795541}
}