CHRISTOPHERSON, ROBERT W. <br/><br/>
Elemental Geosystems 

 - 5th  ed  
 - United State in America :  Pearson prentice Hall ,  2007. 
 - xix , 619 p . :  ill . ; col . pictures; map ;  27 cm. 
<br/><br/> include bibliographical references index 
<br/><br/><label>ISBN: </label>0131497022 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography
<br/><br/><label>Dewey Class. No.: </label>910.02