TY  - BOOK
AU  - Sears, Pauline S.
TI  - Intellectual development
SN  - 0471769754
U1  - 153.9 
PY  - 1971///
CY  - London
PB  - John Wiley & Sons
KW  - Intellectual development
KW  - Intellegence
KW  - Psychology
ER  -