TY  - GEN
AU  - Green,L
TI  - Are there two classes of classically-conditioned responses?
SN  - 0093-2213
PY  - 1979///0728
KW  - Animals
KW  - Appetitive Behavior
KW  - Avoidance Learning
KW  - Color Perception
KW  - Columbidae
KW  - Conditioning, Classical
KW  - Emotions
KW  - Reinforcement Schedule
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1007/BF03001388
ER  -