Chumbley, C C An automated apparatus for studying conditional behavior by means of avoidance conditioning. [electronic resource] - The Journal of physiology May 1968 - 96P-97P p. digital Publication Type: Journal Article ISSN: 0022-3751 Subjects--Topical Terms: AnimalsAvoidance LearningConditioning, PsychologicalMethodsPsychology, Experimental--instrumentationRats