TY  - BOOK
AU  - Colbert,Edwin H
TI  - Evolution of the vertebrates: a history of the backboned animals through time
PY  - 1967///
CY  - New York - EEUU
PB  - J. Wiley
KW  - Zoologia
KW  - Vertebrados
KW  - Evolucion
KW  - Historia
ER  -