TY  - BOOK
AU  - Vernon,Philip Ewart
TI  - Intelligence, heredity and environment
SN  - 0716707381
PY  - 1979///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Intellect
KW  - Nature and nurture
N1  - Bibliography: p. 339-374; Includes indexes; Open access
ER  -