TY  - BOOK
AU  - Phillips,John L.
TI  - The origins of intellect: Piaget's theory
T2  - A Series of books in psychology
AV  - BF431 .P47
U1  - 155.41/3/0924 
PY  - 1969///]
CY  - San Francisco
PB  - W. H. Freeman
KW  - Piaget, Jean,
KW  - Intellect
KW  - Child psychology
N1  - Bibliography: p [133]-144
ER  -