TY  - BOOK
AU  - Colbert, Edwin H. .
TI  - Evolution of the Vertebrates
SN  - 0-85226-125-X
U1  - 596 
PY  - 1982///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Zoology-Vertebrates
KW  - Vertebrates-Evolution
KW  - PG-Zoology
KW  - G-Geology
N1  - Index
ER  -