Black, M Incubation and ECS-produced gradients in one-trial and multitrial discriminated-avoidance conditioning in rats. [electronic resource] - Journal of comparative and physiological psychology Feb 1971 - 325-30 p. digital Publication Type: Journal Article ISSN: 0021-9940 Standard No.: 10.1037/h0030321 doi Subjects--Topical Terms: AnimalsAvoidance LearningConditioning, OperantDiscrimination Learning