TY  - BOOK
AU  - Muller, Ulrich,
AU  - Carpendale, Jeremy I. M.,
AU  - Smith, Leslie,
TI  - The Cambridge companion to Piaget
SN  - 05217271978 (pbk.)
PY  - 2009///
CY  - New York
PB  - Cambridge University Press
KW  - Piaget, Jean,
KW  - Cognition in children
KW  - Child psychology
N1  - Includes bibliographical references and index
ER  -