Kauffman , Marvin E. <br/><br/>
Physical Geology 

 - 6th . Ed.  
 - new Delhi  Prentice hall Publications  1982 
<br/><br/><label>ISBN: </label>0-13-669762-3 
<br/><br/><label>Dewey Class. No.: </label>910.1551 KAU / PHY