Christopherson, Robert W. <br/><br/>
Geosystems :  an introduction to physical geography / 
Robert W. Christopherson. 
 - 4th ed., virtual field trip upgrade ed. 
 - Upper Saddle River, N.J :  Prentice Hall,  2002. 
 - XIX, 626 S :  Ill., graph. Darst., Kt +  1 CD-ROM. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0130613452 9780130613455 
<br/><br/><label>Standard No.: </label>FGBA10062970 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geowissenschaften--Physische Geographie--Biographie.<br/>Geowissenschaften--Physische Geographie--Biographie--CDROM.<br/>Geografía física
<br/><br/><label>Subjects--Index Terms: </label>Physical geography 
<br/><br/><label>Dewey Class. No.: </label>910.02