TY  - RPRT
TI  - Behavioral frequency: relationship between conditioning and extinction.
AU  - W F Angermeier
AU  - M Hürten
PY  - 1977
DO  - 10.1007/bf00368732
UR  - https://pubmed.ncbi.nlm.nih.gov/927540/
ID  - 927540
ER  -