Allaby, Michael. <br/><br/>
Viva-facts on file encyclopedia of natural calamities : tornadoes /  
by Michael Allaby Illustration by Richard Garratt. 
 - Rev ed /   . 
 - New Delhi :   Viva Books ,   2010. 
 - 194p. :   figures ;   24cm  1 CD .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label> RS0.00 (hb) 
<br/><br/><label>Subjects--Index Terms: </label>TORNADOES 
<br/><br/><label>Dewey Class. No.: </label>551.553  / ALL/V