Keller, Edward. A. <br/><br/>
Environmental geology 

 - 9th ed. 
 - New Jersey  Pearson  1996-R2011 
 - xxii,596p.  HB  24cm. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9780321643759 
<br/><br/><label>Dewey Class. No.: </label>550  / KEL