TY  - BOOK
AU  - Colbert,Edwin H.
TI  - Evolution of the vertebrates: a history of the backboned animals through time 
SN  - 0471164666
U1  - 591.38 16
PY  - 1969///
CY  - New York, London
PB  - Wiley
KW  - Vertebrates
KW  - Evolution
KW  - Vertebrates, Fossil
N1  - Previous ed.: 1955; Includes bibliographical references and index
ER  -