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 Uko Gorter. 
 - Second edition. 
 - 1 online resource (617 pages) :  illustrations (some color) 
<br/><br/> Includes indexes. 
<br/><br/><label>ISBN: </label>9780124095922 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine mammals.<br/>Marine mammals--Identification.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QL713.2  / .J444 2015 
<br/><br/><label>Dewey Class. No.: </label>599.5