TY  - BOOK
AU  - Phillips,John L.
TI  - The origins of intellect: Piaget's theory 
T2  - A Series of books in psychology
U1  - 155.413 21
PY  - 1969///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Piaget, Jean,
KW  - Intellect
KW  - Child psychology
N1  - Includes index; Bibliography: p [133]-144
ER  -