TY  - BOOK
AU  - Klausmeier,Herbert J
AU  - Allen,Patricia S.
TI  - Cognitive development of children and youth: longitudinal study 
T2  - Educational psychology
SN  - 0124113559
U1  - 155.413 
PY  - 1978///
CY  - New York
PB  - Academic Press
KW  - Cognition in children
N1  - Includes indexes; Bibliography: p. 301-313
ER  -