All the world's animals Sea mammals/ 

 - New York :  Torstar Books,  1985. 
 - 158 p. :  col. ill. ;  30 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [152] 
<br/><br/><label>ISBN: </label>0920269753 
<br/><br/><label>LCCN: </label>85000979  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine mammals.
<br/><br/><label>LC Class. No.: </label>QL713.2  / .S43 1985