TY  - BOOK
AU  - Allen, Patricia S
AU  - Edwards, Allen J
AU  - Klausmeier, Herbert J
TI  - Cognitive development of children and youth
SN  - 124113559
CY  - New York
KW  - Cognition in children
KW  - Cognition in children - research
KW  - Longitudinal - cross sectional results
KW  - Mental operations
KW  - Studying cognitive development
ER  -