Trivedi, Priya Ranjan <br/><br/>
International encyclopaedia of ecology and environment: v 11 :air pollution 

 - 1st 
 - New Delhi  Indian Institute of Ecology and Environment  1995 
 - ix,200p p. 
<br/><br/><label>ISBN: </label>81-7456-015-7 
<br/><br/><label>Subjects--Index Terms: </label>Air - Pollution