TY  - BOOK
T1  - Evolution of the vertebrates;a history of the backboned animals through time
DA  - [1969]
CY  - New York,
AU  - Colbert, Edwin H.
ET  - 2d ed.
CN  - QE841
CN  - QE841
PB  - Wiley
PP  - New York,
PY  - [1969]
ID  - 53446
KW  - Vertebrates, Fossil.
KW  - Vertebrates
KW  - Phylogeny.
SN  - 0471164666
TI  - Evolution of the vertebrates;a history of the backboned animals through time
ER  -