SPARKS, Donald L. <br/><br/>
Environmental Soil Chemistry/ 

 - 2nd 
 - California;  Academic Press,  2003. 
 - xiv,  532  p.  ill. 
<br/><br/> Includes  Appendix, References and Index. 
<br/><br/><label>ISBN: </label>9780126564464 
<br/><br/><label>Dewey Class. No.: </label>631.41 CL.