Bonner, W. Nigel. <br/><br/>
The Natural history of seals / 
W. Nigel Bonner 
 - New Yoek :  Facts On File,  1990 
 - 196 p. :  illus,charts 
<br/><br/><label>ISBN: </label>0816023360 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seals (animals)
<br/><br/><label>Dewey Class. No.: </label>599.748  / B716N