Lavenroth W K <br/><br/>
Effects of So2 on a grassland 
Lavenroth W K; Preston E M Ed. 
 -  1984 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>51198 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>I5:33E16160, M4