Leopold, Luna B.  1915-2006. <br/><br/>
The concept of entropy in landscape evolution / 
by Luna B. Leopold and Walter B. Langbein 
 - Washington :  United States Geological Survey,  1962 
 - iii, 20 p. :  ill. ;  29 cm. 
 - Theoretical papers in the hydrologic and geomorphic sciences Geological Survey professional paper ;  no. 500-A .
<br/><br/>Bibliography: p. 19-20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomorphology--Statistical methods<br/>Hydrology--Statistical methods<br/>Entropy
<br/><br/><label>Dewey Class. No.: </label>550.8