TY  - BOOK
AU  - Mayr, Ernst
AU  - Boell, E J  [series editor]
AU  - Linsley, Gorton E
AU  - Usinger, Robert L
TI  - Methods and principles of systematic zoology
U1  - 591 
PY  - 1953///
CY  - New York
PB  - Mc Graw-Hill
KW  - Systematic zoology
KW  - Zoology-Classification
N1  - contents :pt.1.Taxonomic categories and concepts-pt.2.Taxonomic procedure-pt.3.Zoological nomenclature
ER  -