Monitoring of air pollutants by plants :  methods and problems proceedings of the international workshop, Osnabruck (ERG), September 24-25, 1981 / 
edited by L. Steubing and H.-J. Jager. 
 - The Hague :  Dr. W. Junk,  1982. 
 - 161p. :  ill. ;  26 cm. 
 - Tasks for vegetation science ;  7 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>906193947X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants, Effect of air pollution on--Congresses<br/>Air--Pollution--Measurement--Congresses<br/>Plant indicators--Congresses