Romer, Sherwood Alfred <br/><br/>
Vertebrate Paleontology 
/by Alfred Sherwood Romer 
 - Londo:  The University Press;  1933. 
 - 468p. 
<br/><br/><label>ISBN: </label>022724883 
<br/><br/><label>Dewey Class. No.: </label>560.175  / ROM/V