1. Effects of alcohol, chlordiazepoxide, cocaine and pentobarbital on responding maintained under fixed-interval schedules of food or shock presentation;Barrett;J. Pharmac. exp. Ther.,1976
2. Analysis of drug effects on multiple fixed ratio 33-fixed interval 5 min in pigeons;Bignami;Psychopharmacologia,1969
3. Effects of drugs on avoidance and escape behavior;Cook,1964
4. Drug effects on the behavior of animals;Cook;Ann. N.Y. Acad. Sci. U.S.A.,1962
5. Studies on behavior. I. Differential sensitivity to pentobarbital of pecking performance in pigeons depending on the schedule of reward;Dews;J. Pharmac. exp. Ther.,1955