TY  - BOOK
AU  - Simpson, George Gaylord
TI  - Principles of animal taxonomy/by George Gaylord Simpson
U1  - 592  
PY  - 1969///
CY  - Calcutta: 
PB  - Oxford Book Company
KW  - Pure Sciences
KW  - Zoological sciences
KW  - Classification | Zoology
ER  -