Christopherson, Robert W. <br/><br/>
Geosystems:  An introduction to physical geography/ 
By Robert Christopherson. 
 - Eighth edition. 
 - Boston:  Prentice,  2012. 
 - 623 p.:  28 cm 
<br/><br/> Includes index> 
<br/><br/><label>ISBN: </label>9780321770769 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography.
<br/><br/><label>LC Class. No.: </label>GB54.5  / CHR 2012