TY  - BOOK
AU  - Ayala,Francisco José
AU  - Head,J.J.
TI  - Genetic variation and evolution
T2  - Carolina biology readers
SN  - 0892783265
PY  - 1983///
CY  - Burlington, N. C.
PB  - Carolina Biological Supply Co.
KW  - Genetics
KW  - Local
KW  - Evolution
N1  - Cover title; Series editor: J. J. Head; Bibliography: p. 16
ER  -