TY  - RPRT
TI  - CONDITIONED PUNISHMENT.
AU  - D F HAKE
AU  - N H AZRIN
PY  - 1965
DO  - 10.1901/jeab.1965.8-279
UR  - https://pubmed.ncbi.nlm.nih.gov/14342363/
ID  - 14342363
ER  -