Catchment runoff and rational formula / 
edited by Ben Chie Yen. 
 - Littleton, Colo., USA :  Water Resources Pub.,  c1992. 
 - vi, 170 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0918334713 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Runoff--Mathematics.