TY  - RPRT
TI  - Observing behavior and children's discrimination learning under delayed reinforcement.
AU  - J C Wright
AU  - D Smothergill
PY  - 1967
DO  - 10.1016/0022-0965(67)90069-0
UR  - https://pubmed.ncbi.nlm.nih.gov/6070472/
ID  - 6070472
ER  -