TY  - BOOK
AU  - Mayr, Ernst
TI  - Principles Of Systematic Zoology
U1  - 578.012 
PY  - 1969///
CY  - New York
PB  - Mc Graw-Hill Book Company
KW  - Reference Reading Room
KW  - NATURAL SCIENCES
KW  - BIOLOGYSYSTEMATIC ZOOLOGYZOOLOGY
KW  - Generalia
ER  -