Langbein, Walter Basil  1907-1982 <br/><br/>
River channel bars and Dunes : theory of Kinematic wavess / 
by Walter B. Langbein and Luna B. Leopold. 
 -- Washington :   United States Government Printing Office,   1968 
 - 20 p. -- 
 (Geological Survey Professional Paper  ;  422-L).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hidráulica<br/>Ríos
<br/><br/><label>Universal Decimal Class. No.: </label>556.536