TY  - RPRT
TI  - A technique for minimizing subject-observer looking interactions in field settings.
AU  - J A Grimm
AU  - J A Parsons
AU  - S W Bijou
PY  - 1972
DO  - 10.1016/0022-0965(72)90069-0
UR  - https://pubmed.ncbi.nlm.nih.gov/4658488/
ID  - 4658488
ER  -