1. Effects of d-amphetamine on responding of squirrel monkeys maintained under second-order schedules of food presentation, electric shock presentation or stimulus-shock termination;Barrett;Journal of Pharmacology and Experimental Therapeutics,1981
2. The effects of pipradrol on the acquisition of responding with conditioned reinforcement: A role for sensory preconditioning;Beninger;Psychopharmacology,1980
3. The acquisition of responding with conditioned reinforcement: Effects of cocaine, (+)-amphetamine and pipradrol;Beninger;British Journal of Pharmacology,1981
4. The effect of pimozide on the establishment of conditioned reinforcement;Beninger;Psychopharmacology,1980
5. Effects of d-amphetamine on the behavior of pigeons maintained by a second-order schedule of reinforcement;Bond;Journal of Pharmacology and Experimental Therapeutics,1975