Ward, R.C. <br/><br/>
Principles of Hydrology: 

 - U.K  Mcgraw, Hill.  2000. 
 - 450P.: 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0077095022 
<br/><br/><label>LC Class. No.: </label>GB661.2war