1. How adaptive behavior is produced: a perceptual-motivation alternative to response reinforcement;Bindra;Behav. Brain Sci.,1978
2. Conditioned Reflexes: An Investigation of the Physiological Activity of the Cerebral Cortex;Pavlov,1927
3. Sign-tracking: The Stimulus-reinforcer Relation and Directed Action;Hearst,1974
4. Purposive Behavior in Animals and Men;Tolman,1932
5. The Psychology of Animal Learning;Mackintosh,1974