TY  - BOOK
AU  - Siegler,Robert S.
ED  - Carnegie Symposium on Cognition
TI  - Children's thinking: what develops? 
SN  - 0470265205
AV  - BF723.C5 C5
U1  - 155.4/13 SIE 
PY  - 1978///
CY  - Hillsdale, N.J., New York
PB  - L. Erlbaum Associates, distributed by Halsted Press Division of Wiley
KW  - Cognition in children
N1  - An outgrowth of the 13th annual Carnegie Cognition Symposium, held in May 1977; Includes bibliographies and indexes
ER  -