Ward, R. C <br/><br/>
Principles of hydrology 
R.C. Ward, M. Robinson 
 - 3rd ed 
 - New York  McGraw-Hill  c1990 
 - xvi, 365 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0077072049 
<br/><br/><label>ISSN: </label>88032409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrology
<br/><br/><label>Dewey Class. No.: </label>551.4 WAR