1. A technique for delivering shock to pigeons;Azrin;Journal of the Experimental Analysis of Behavior,1959
2. Effects of alcohol, chlordiazepoxide, cocaine and pentobarbital on responding maintained under fixed-interval schedules of food or shock presentation;Barrett;Journal of Pharmacology and Experimental Therapeutics,1976
3. A detailed analysis of the effects of d-amphetamine on behavior under fixed-interval schedules;Branch;Journal of the Experimental Analysis of Behavior,1974
4. Effects of drugs on avoidance and escape behavior;Cook;Federation Proceedings,1964
5. The use of the free operant in the analysis of behavior;Ferster;Psychological Bulletin,1953