Mishra, S.R. <br/><br/>
Assessment of water pollution 
S.R. Mishra. 
 - 4th. ed.. 
 - New Delhi  APH Publishing Corporation  1996 
 - viii,485p., 24cm. 
<br/><br/><label>ISBN: </label>81-7024-7101. 
<br/><br/><label>Dewey Class. No.: </label>363.7394  / M66A