Rao, Narayana M <br/><br/>
Environmental Engineering / 
M Narayana  Rao, and V Thanikachalam 
 - ND:  McGRAW HILL,  1993. 
 - x,264p.:  [pb] 
<br/><br/><label>ISBN: </label>74604422 
<br/><br/><label>Dewey Class. No.: </label>628.1  / RAO-E