KELLER Edward A <br/><br/>
Environmental Geology. 

 - 3rd. 
 - Columbus  Charles and Merill          1982 
 - 530p  cm. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Source: </label> 364, 16/01/1984, Sheetal  General Book 
<br/><br/><label>Dewey Class. No.: </label>U:(G:55), M2/TD