Piaget, Jean, 1896-1980. The psychology of intelligence / Jean Piaget ; translated by Malcolm Piercy and D.E. Berlyne. - London ; New York : Routledge, 2001. - xi, 202 p. ; 20 cm. Includes bibliographical references (p. [191]-193) and indexes. ISBN: 0415254019 Subjects--Topical Terms: Intellect. Dewey Class. No.: 153.9 / PIP 2001