Ward, Roy <br/><br/>
Principles of Hydrology / 
Roy Ward 
 - 4th.ed. 
 - Delhi:  McGraw Hill;  2016., 
 - 450p.:  [pb] 
<br/><br/><label>ISBN: </label>9781259002243 
<br/><br/><label>Dewey Class. No.: </label>551.4  / WAR-P