M, Khopkar S.  <br/><br/>
Environmental pollution monitoring and control / 

 - New Delhi,  Ne Age International,  c2005. 
 - 484 p. ;  ill. ;  24 cm.  
<br/><br/><label>ISBN: </label>8122415075 
<br/><br/><label>Dewey Class. No.: </label>363.73