TY  - RPRT
TI  - Variables affecting avoidance conditioning in free-responding and discrete-trial situations.
AU  - R D Fitzgerald
AU  - J S Brown
PY  - 1965
DO  - 10.2466/pr0.1965.17.3.835
UR  - https://pubmed.ncbi.nlm.nih.gov/5854264/
ID  - 5854264
ER  -