Jefferson, Thomas A. <br/><br/>
Marine mammals of the world :  a comprehensive guide to their identification / 
Thomas A. Jefferson, Marc A. Webber, Robert L. Pitman ; illustrations by Brett Jarrett 
 - Amsterdam :  Elsevier/Academic Press,  2008 
 - xii, 573 p. :  ill. (chiefly col.), col. maps ;  26 cm. 
<br/><br/><label>ISBN: </label>9780123838537  RM246.22 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine mammals--Identification<br/>Marine mammals