Agrawal, S.K.  <br/><br/>
Environmental Monitoring 
/ by S.K. Agrawal 
 - New Delhi:   A.P.H. Publishing Corporation,   2005.  
 - 300p.  
<br/><br/><label>ISBN: </label>8176488240 
<br/><br/><label>Dewey Class. No.: </label>363.7063  / AGE/E