@misc{indiciae20ca134647f6,
  title = {A technique for minimizing subject-observer looking interactions in field settings.},
  author = {J A Grimm and J A Parsons and S W Bijou},
  year = {1972},
  doi = {10.1016/0022-0965(72)90069-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4658488/},
  note = {Source identifier: 4658488}
}