Ostler Neal K <br/><br/>
Introduction to environmental technology 
Ostler Neal K 
 - NJ  Prentice Hall          1996 
 - xi, 334p Bibliography chapterwise  cm. 
 - Prentice-Hall's Environmental Technology Series; V.1 .
<br/><br/><label>ISBN: </label>0023895322 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>U:(G:55), N7