Leatherwood, Stephen <br/><br/>
Marine Mammals : Research and Conservation in Sri Lanka 

 - 2nd ed. 
 - Kenya,  United Nations Environment Programme,  1989, 
 - vi, 138p.  25cm. 
<br/><br/><label>ISBN: </label>9280712365 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine Mammals<br/>Research and Conservation
<br/><br/><label>Dewey Class. No.: </label>599.5  / LEA