TY  - BOOK
AU  - Mayr Ernst
TI  - Principles of systematic zoology
U1  - K:11, K9;1 
PY  - 1969///
CY  - Bombay
PB  - Tata McGraw-Hill Publishing Company Ltd.     
KW  -  Systematic zoology
KW  - Zoology
N1  - Bibliography 381-395p
ER  -