TY  - BOOK
AU  - Pulaski, Mary Ann Spencer
TI  - Understanding piaget: an introduction to children's cognitive development
SN  - 0060134542
AV  - BF 723 .C5P85 1980
PY  - 1980///
CY  - New York
PB  - Harper & Row Publishers
KW  - Piaget, Jean, 1896
KW  - Cognition in children
N1  - Includes bibliography and index
ER  -