Principles of systematic zoology /
Mayr, Ernst, 1904-
Principles of systematic zoology / Erns Mayr. - New York : McGraw-Hill, 1969. - xi, 428 p. : illus. ; 23 cm.
Includes biblioraphy.
Open access.
Animals--Classification.
Principles of systematic zoology / Erns Mayr. - New York : McGraw-Hill, 1969. - xi, 428 p. : illus. ; 23 cm.
Includes biblioraphy.
Open access.
Animals--Classification.