COLBERT, EDWIN H. <br/><br/>
EVOLUTION OF THE VERTEBRATES:A HISTORY OF BACKBONE (ANIMALS THROUGH TIMES) 

 - 2ND. 
 - NEW DELHI  WILLEY EASTERN LTD.  1989 
 - 535:  24CM. 
<br/><br/><label>Subjects--Index Terms: </label>Chordates 
<br/><br/><label>Dewey Class. No.: </label>596 COL