Colbert, Edwin H. . <br/><br/>
Evolution of the Vertebrates /  Textual Documents 
Edwin H. Colbert. 
 - 2nd ed. / 
 - New Delhi :  Wiley Eastern ,  1982. 
 - xvi, 535p. ;  21cm. 
<br/><br/>Index 
<br/><br/><label>ISBN: </label>0-85226-125-X 
<br/><br/><label>Subjects--Index Terms: </label>Zoology-Vertebrates Vertebrates-Evolution PG-Zoology G-Geology 
<br/><br/><label>Dewey Class. No.: </label>596  / C 671 Ev