TY  - RPRT
TI  - Validation of a behavioral observation system.
AU  - S N Haynes
AU  - R D Kerns
PY  - 1979
DO  - 10.1037//0022-006x.47.2.397
UR  - https://pubmed.ncbi.nlm.nih.gov/469088/
ID  - 469088
ER  -