Wilson, E.M <br/><br/>
Engineering Hydrology 

 - 4th 
 - The Macmillan Press Ltd  London  1969 
 - 348p.  Fig., Table 
<br/><br/><label>Nat. Bib. No.: </label>7351 
<br/><br/><label>Universal Decimal Class. No.: </label> / WIL