Marine Mammals: Biology and conservation/ 
P.G.H, Evans, J.AA Raga 
 - New york  Kluwer academic  2001 
 - xi, 630p; ill  pbk 
<br/><br/><label>ISBN: </label>0306465736 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine mammal<br/>Marine mammalas- biology conservation
<br/><br/><label>LC Class. No.: </label>QL713.2.M354 2001