Christopherson, Robert  W. <br/><br/>
Elemental geosystems / 
Robert W. Christopherson. 
 - 3rd ed. 
 - Upper Saddle River, NJ :  Prentice Hall,  2001. 
 - xvii, 586 p. :  col. ill., col. maps ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0130168009 
<br/><br/><label>LCCN: </label>99089102  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography.
<br/><br/><label>LC Class. No.: </label>GB54.5  / .C46 2001 
<br/><br/><label>Dewey Class. No.: </label>910/.02