TY  - BOOK
AU  - Vernon, P.E.
TI  - Intelligence and cultural environment
SN  - 0416121209
U1  - 153.92 
PY  - 1969///
CY  - London
PB  - Methuen
KW  - Intellect
KW  -  Social aspects
KW  - Human beings
KW  -  Effect of environment on
KW  - Child psychology
N1  - Includes bibliographical references (p. 239-252) and index
ER  -