TY  - BOOK
AU  - Colbert,Edwin H.
AU  - Morales,Micheal
AU  -  Minkft,Elic
TI  - Evolution of the vertebrates:  a history of the backboned animals throught time 
U1  - 596 
PY  - 1970///
CY  -  New Delhi
PB  - Wiley Eastern Pvt. Ltd., 
KW  - Mammalia
KW  - Evolution of the vertebrates
ER  -