Allaby, Michael. <br/><br/>
Viva-facts on file encyclopedia of natural calamities : fog, smog & poisoned rain /  
by Michael Allaby Illustration by Richard Garratt. 
 - Rev ed /   . 
 - New Delhi :   Viva Books ,   2010. 
 - 208p. :   figures ;   25cm  1 CD .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9788130914343  RS0.00 
<br/><br/><label>Subjects--Index Terms: </label>AIR POLLUTION 
<br/><br/><label>Dewey Class. No.: </label>363.7392  / ALL/V