Gregory, R.L. Eye and brain : the psychology of seeing / by Richard L. Gregory. - 5th ed. - Princeton, N.J. : Princeton University Press, 1997. - ix, 277 p. : ill. (some col.) ; 23 cm. Includes bibliographical references and index. ISBN: 9780691165165 Subjects--Topical Terms: Vision.Visual perception.Visual Perception. LC Class. No.: BF241 / .G74 1997