Developmental models of thinking / edited by Rainer H. Kluwe, Hans Spada. Kluwe, Rainer. Spada, Hans. Stiftung Volkswagenwerk. Universität Kiel. Institut für die Pädagogik der Naturwissenschaften. Piaget, Jean 1896-1980 Congresses. Thought and thinking Congresses. Cognition in children Congresses. Human information processing Congresses. Cognition in children Mathematical models Congresses. BF723.C5 D495 155.413 LKD Includes bibliographical references and index. New York : Academic Press, 1980. 1980. 1980 Text xvi, 304 p. : eng Developmental psychology series ;