The conservation of seabirds in the North Sea 

 - Peterborough   : Nature Conservancy Council   , 1989 
 - 19 p. :  il. 
<br/><br/><label>ISBN: </label>0861394933 
<br/><br/><label>Subjects--Topical Terms: </label><br/> AVES MARINAS<br/> MAR DEL NORTE<br/> CONSERVACION DE ESPECIES<br/> CONSERVACION DE LA FAUNA Y FLORA SILVESTRE
<br/><br/><label>Universal Decimal Class. No.: </label>F598.23 T198c