Thornbury, William D. <br/><br/>
Principles of geomorphology 
William D. Thornbury 
 - ix, 618p. 
<br/><br/> BIBLIOTECA: UACH-FING 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomorfologia
<br/><br/><label>Dewey Class. No.: </label>551.4  / THO 1954