Berg, Åke, <br/><br/>
Ecology of curlews (Numenius arquata) and lapwings (Vanellus vanellus) on farmland / 
Åke Berg. 
 - 173 pages :  illustrations ;  c24m. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Curlews--Ecology<br/>Vanellus vanellus--Ecology<br/>Charadriiformes--Ecology--Sweden<br/>Bird populations--Sweden