Duggal K.N <br/><br/>
Elements of Water Resources Engineering 
K.N Duggal 
 - 1st ed. 
 - New Delhi  New Age International pvt  1996 
 - 588p. 
<br/><br/><label>ISBN: </label>8122408079 
<br/><br/><label>Dewey Class. No.: </label>627  / DUG/E