WILLHAM, R L Genetic variation in a measure of avoidance learning in swine. [electronic resource] - Journal of comparative and physiological psychology Apr 1963 - 294-7 p. digital Publication Type: Journal Article ISSN: 0021-9940 Standard No.: 10.1037/h0044232 doi Subjects--Topical Terms: AnimalsAvoidance LearningGenetic VariationGeneticsSwine