TY  - BOOK
AU  - Loehlin,John C.
AU  - Nichols,Robert Cosby,1927-
TI  - Heredity, environment, & personality: a study of 850 sets of twins 
SN  - 0292730039
PY  - 1976///
CY  - Austin
PB  - University of Texas Press
KW  - Nature and nurture
KW  - Personality
KW  - Twins
KW  - Psychology
N1  - Includes index; Bibliography: p. 193-197
ER  -