Perrin. William F <br/><br/>
Encyclopedia of marine mammals 
F Perrin 
 - San Diego    Academic Press  2002 
<br/><br/><label>ISBN: </label>9780125513401 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine Mammals- Encyclopedias.
<br/><br/><label>LC Class. No.: </label>QL 713.2 .E53