Challa, Satya Narayana Murty.  <br/><br/>
Water resources engineering / 

 - 2nd. 
 - New Delhi,  Ne Age International,  c2006. 
 - 306 p. ;  ill. ;  28 cm.  
<br/><br/><label>ISBN: </label>812241382x 
<br/><br/><label>Dewey Class. No.: </label>627