TY  - BOOK
AU  - Ernst Mayr
TI  - Principles of Systematic Zoology
U1  - 592 
PY  - 1969///
CY  - Bombay
PB  - Tata MacGraw Hill Publishing Co.Ltd.
N1  - Ernst Mayr: Principles of Systematic Zoology.  (Ed-2)  Bombay.  Tata MacGraw Hill Publishing Co.Ltd., 1969.--(592MAY)
ER  -