Ecological principles of nature conservation :  applications in temperate and boreal environments / 
edited by Lennart Hansson 
 - London :  Elsevier Applied Science,  1992 
 - 436 p. :  ill. ;  23 cm. 
 - Conservation ecology series .
<br/><br/><label>ISBN: </label>1851667180 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature conservation<br/>Ecology