TY  - RPRT
TI  - Vigilance as a factor in reinforcement.
AU  - G W BOGUSLAVSKY
PY  - 1957
DO  - 10.1080/00221325.1957.10533034
UR  - https://pubmed.ncbi.nlm.nih.gov/13475722/
ID  - 13475722
ER  -