Pfafflin, J R, Ed.; Ziegler, E N, Ed. <br/><br/>
Encyclopaedia of environmental science and engineering, Vol.2: N to Z 

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 - Gordon & Breach Science Publishers, New York  1976 
 - 1091 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science- Encyclopaedia
<br/><br/><label>Dewey Class. No.: </label>R  628.03  PFA-E.2