@misc{indiciae48a9f2a8fc06,
  title = {Development and application of an observational method: continuing reliability testing.},
  author = {R A Bobbitt and B N Gordon and G D Jensen},
  year = {1966},
  doi = {10.1080/00223980.1966.10544813},
  url = {https://pubmed.ncbi.nlm.nih.gov/4957474/},
  note = {Source identifier: 4957474}
}