TY  - BOOK
AU  - Mayr,Ernst
TI  - Animal species and evolution
SN  - 0674037502
PY  - 1963///
CY  - Cambridge, Mass.
PB  - Belknap Press of Harvard University Press
KW  - Species
KW  - Zoology
KW  - Variation
KW  - Evolution
N1  - 1970 ed. published under title: Populations, species, and evolution; Bibliography : p. (675-781)
ER  -