TY  - BOOK
AU  - Roberts D F Ed.
AU  -  Destefano G F Ed.
TI  - Genetic variation and its maintenance :  Siwth particular reference to tropical populations
T2  - (Society for the study of human biology ,27)
U1  - G:6, M6 
PY  - 1986///
CY  - Cambridge
PB  - Cambridge University       
KW  - BIOLOGY
ER  -