Gibson, Eleanor (Jack) Principles of perceptual learning and development / [by] Eleanor J. Gibson. - New York, Appleton-Century-Crofts [1969] - viii, 537 p. illus. 25 cm. - Century psychology series . ISBN: 0390361453 Subjects--Topical Terms: Perception.Perceptual learning. Dewey Class. No.: 152.7 / GIB N69P