TY  - BOOK
AU  - Woodworth,Robert Sessions
ED  - Social Science Research Council U.S.
TI  - Heredity and environment: a critical survey of recently published material on twins and foster children
T2  - [Social Science Research Council] Bulletin
AV  - BF341 .W6
U1  - 136.2[159.9222] 
PY  - 1941///]
CY  - New York
PB  - Social Science Research Council
KW  - Heredity
KW  - Local
KW  - Twins
KW  - Man
KW  - Influence of environment
N1  - Bibliography: p. 92-95
ER  -