Christopherson, Robert W. <br/><br/>
Elemental geosystems / 
Robert W. Christopherson. 
 - 4th ed. 
 - Upper Saddle River, NJ :  Pearson Education,  c2004. 
 - xxvii, 579 p. :  col. ill., col. maps ;  28 cm. +  1 CD-ROM (4 3/4 in.) 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0131015532 (pbk.) 
<br/><br/><label>LCCN: </label>2003042993 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography.
<br/><br/><label>LC Class. No.: </label>GB54.5  / .C47 2004 
<br/><br/><label>Dewey Class. No.: </label>910/.02