TY  - RPRT
TI  - Punishment during fixed-interval reinforcement.
AU  - N H AZRIN
AU  - W C HOLZ
PY  - 1961
DO  - 10.1901/jeab.1961.4-343
UR  - https://pubmed.ncbi.nlm.nih.gov/13863579/
ID  - 13863579
ER  -