Olsen, Klaus Malling <br/><br/>
Gulls of the world :  a photographic guide / 
Klaus Malling Olsen. 
 - 368 p.:  il.  
<br/><br/>ISBN 9781408181645 
<br/><br/><label>LCCN: </label>2017954750 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aves<br/>Gaviotas
<br/><br/><label>Universal Decimal Class. No.: </label>598.243.8(100)