@misc{indiciaece57e452f450,
  title = {Student observation system.},
  author = {E J McDevitt and G E Robinson and A E Wuehrmann and G M Sinnett},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5285895/},
  note = {Source identifier: 5285895}
}