Ward, R C <br/><br/>
Principles of hydrology/  3rd ed. 

 - London  McGraw Hill   1990 
 - 365p 
<br/><br/><label>ISBN: </label>0-07-100638-9 
<br/><br/><label>Subjects--Index Terms: </label>626.8  Hydrology 
<br/><br/><label>Dewey Class. No.: </label>626.8  / WAR