WENZEL, B M Relative resistance to reserpine of responses based on positive, as compared with negative, reinforcement. [electronic resource] - Journal of comparative and physiological psychology Dec 1959 - 673-81 p. digital Publication Type: Journal Article ISSN: 0021-9940 Standard No.: 10.1037/h0039182 doi Subjects--Topical Terms: HumansLearningReinforcement, PsychologyReserpine--pharmacology