TY  - BOOK
T1  - Principles of systematic zoology.
DA  - [1969]
CY  - New York,
AU  - Mayr, Ernst,
CN  - QL351 .M29
CN  - QL351
PB  - McGraw-Hill
PP  - New York,
PY  - [1969]
ID  - 58079
KW  - Animals
KW  - Zoology
TI  - Principles of systematic zoology.
ER  -