TY  - BOOK
AU  - Floyd, Ann.
TI  - Cognitive development in the school years
SN  - 0470264292
U1  - 155.424 
PY  - 1979///
CY  - New York
PB  - Wiley
KW  - Piaget, Jean.
KW  - Cognition in children
KW  - Educational psychology
N1  - Includes bibliographies and index
ER  -