TY  - BOOK
AU  - Wright,Lawrence
TI  - Twins: genes, environment and the mystery of human identity 
SN  - 0297819763 :
U1  - 306.875 
PY  - 1998///
CY  - London
PB  - Weidenfeld & Nicolson
KW  - Twins
KW  - Nature and nurture
KW  - Heredity
ER  -