Thornbury, William. D. <br/><br/>
Principles of geomorphology 

 - 2nd ed. 
 - New York  John Wiley  1969 
<br/><br/><label>Subjects--Index Terms: </label>Karst Topography   Stream Deposition  Paleogeomorphology 
<br/><br/><label>Dewey Class. No.: </label>551.4  / K9;1