Pfaflin J R <br/><br/>
Advances in Environment science and engirneering 

 -  1979 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>43703 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment science
<br/><br/><label>Dewey Class. No.: </label>G:55un1,N79, L9