1. The CS-US interval in classical and avoidancc conditioning;Bitterman,1965
2. Traumatic avoidance learning: A note on intertrial-interval responding;Black;J. Comp. Physiol. Psychol.,1959
3. Species-specific defense reactions;Bolles,1971
4. Function of the CS in shuttle☐ avoidance learning by rats;Bolles;J. Comp. Physiol. Psychol.,1970
5. Comparisons of stimulus learning and response learning in a punishment situation;Bolles;Learning Motiv.,1980