Williams, Jon L. Operant learning procedures for changing behavior [by] Jon L. Williams. - Monterey, Calif. Brooks/Cole Pub. Co. [1973] - 248 p. illus. Bibliography: p. 216-232. ISBN: 0818500581 LCCN: 72091088 Subjects--Topical Terms: Operant conditioning LC Class. No.: BF319.5.O6 / W54 Dewey Class. No.: 153.1/52