Van Geert Paul Development of perception , cognition and language A theoretical approach Van Geert Paul - London Routledge and Kegan Paul 1983 - viii,397p cm. - International library of psychology; V 12 . ISBN: 0710094205 Standard No.: 2,419 Source: Textual Subjects--Topical Terms: THEORY OF KNOWLEDGE; PSYCHOLOGY Dewey Class. No.: S:4:7, M3