TY - BOOK AU - Siegler,Robert S. TI - Children's thinking SN - 0133979105 AV - BF723.C5 S54 1998 U1 - 155.4/13 21 PY - 1998/// CY - Upper Saddle River, N.J. PB - Prentice Hall KW - Cognition in children N1 - Includes bibliographical references (p. 352-391) and indexes ER -