Ward R.C. & Robinson M. <br/><br/>
Principles of Hydrology 
By R.C. Ward & M. Robinson 
 - London   McGraw-Hill Companies, Inc.  2000 
 - xiv, 450 pages, 24 cm. 
<br/><br/> includes bibliographic references & index 
<br/><br/><label>ISBN: </label>978-0-07-709502-4 
<br/><br/><label>Dewey Class. No.: </label>551.48 W21 2000