De Costa, Shahane <br/><br/>
Water resources engineering : hydrology and  water supply engineering 
<label>/ by </label> De Costa, Shahane 
 - Colombo  Godage  1998 
 - [8], 226p.  ill.  29 cm. 
<br/><br/><label>ISBN: </label>9552032202 
<br/><br/><label>Dewey Class. No.: </label>627  / DEC