TY  - BOOK
AU  - Inhelder, Barbel.
AU  - Piaget, Jean,
AU  -  Lunzer,  E. A.
AU  - Papert, D. 
TI  - The early growth of logic in the child: classification and seriation 
SN  - 0415210011
AV  - BF723.R4 
U1  - 155.4 19
PY  - 1964///
CY  - London
PB  - Routledge and K. Paul
KW  - Logic
KW  - Reasoning in children
N1  - Translation of La genese des structures logiques elementaire; Includes bibliographical references and index
ER  -