Christopherson, R W. <br/><br/>
Geosystems 
/ by Robert W. Christopherson 
 - 8th Ed. 
 - New York:  Pearson,  2012. 
 - xxvii, 623p. 
<br/><br/><label>ISBN: </label>9780321706225 
<br/><br/><label>Dewey Class. No.: </label>910.02  / CHR/G