Elemental Geosystems / 
Robert W. Christopherson. 
 - 4th ed 
 - New Jersey :  Pearson Prentice Hall,  2004. 
 - xxvii,579 p,;  color ill. 
<br/><br/><label>ISBN: </label>0131015532 
<br/><br/><label>LC Class. No.: </label>GB54.5   / .C497 2004