Monitoring for conservation and ecology 

 - London:   Chapman and Hall,   1991 
 - xiv, 275p. 
<br/><br/><label>ISBN: </label>0-412-35600-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>502.2/7+574   / N1