TY  - RPRT
TI  - Anomalies in covert conditioning.
AU  - F A Paniagua
PY  - 1993
DO  - 10.2466/pr0.1993.73.1.323
UR  - https://pubmed.ncbi.nlm.nih.gov/8367572/
ID  - 8367572
ER  -