TY  - BOOK
AU  - Mayr,Ernst
TI  - Systematics and the origin of species
SN  - 0231054491
PY  - 1982///
CY  - New York
PB  - Columbia University Press
KW  - Zoology
KW  - Classification
KW  - Evolution
KW  - Variation
N1  - Reprint: Originally published: New York: Columbia University Press, 1942. With new introd, and bibliography; Bibliography: p. 299-314
ER  -