Spellerberg, Ian F. <br/><br/>
Monitoring ecological change / 
Ian F. Spellerberg. 
 - xvi, 334 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0521366623 0521424070  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental monitoring.