TY  - BOOK
AU  - Mayr,Erust
AU  - Ashlock,Peter D..
TI  - Principles of systematic zoology / 
T2  - Biological Science Series, 
SN  - 0071127011
U1  - 591.012 
PY  - 1991///
CY  - New York : 
PB  - McGraw-Hill , 
KW  - ZOOLOGY-CLASSIFICATION
N1  - NULL
ER  -