Christopherson R W. <br/><br/>
Geosystems   an introduction to physical geography    

 - New Jersey   Prentice Hall          2000 
<br/><br/> Bibliography: P234-43 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>U2:(D6,9CB), P0\TD