Methods and principles of systematic zoology /
Mayr, Ernst.
Methods and principles of systematic zoology / [by] Ernst Mayr, E. Gorton Linsley [and] Robert L. Usinger. - New York : McGraw-Hill ; 1953. - IX, 328 p. : ill. ; 24 cm. - McGraw-Hill publications in the zoological sciences .
Methods and principles of systematic zoology / [by] Ernst Mayr, E. Gorton Linsley [and] Robert L. Usinger. - New York : McGraw-Hill ; 1953. - IX, 328 p. : ill. ; 24 cm. - McGraw-Hill publications in the zoological sciences .