TY  - BOOK
AU  - Halsey, A.H.
TI  - Heredity & environment:  
SN  - 041683866
U1  - 575.1 
PY  - 1977///
CY  - London
PB  - Methuen & co. ltd
KW  - Heredity, Human
KW  - Human beings--Effect of environment on
N1  - Includes bibliographical reference
ER  -