TY  - BOOK
AU  - Pulaski,Mary Ann Spencer
TI  - Understanding Piaget: an introduction to children's cognitive development
SN  - 0060134399
AV  - BF723.C5 P85 1980
U1  - 155.4/13/0924 19
PY  - 1971///]
CY  - New York
PB  - Harper & Row
KW  - Piaget, Jean,
KW  - Cognition in children
N1  - Bibliography: p. [229]-236
ER  -