Mido, Y  & Iqbal, S A <br/><br/>
Chemistry of air and air pollution 

 - Discovery Publishing House, New Delhi  1995 
 - 176 
<br/><br/><label>ISBN: </label>81-7141-265-3 
<br/><br/><label>Dewey Class. No.: </label>301.3 Mid/Iqb