SESHAGIRI,N <br/><br/>
Pollution 

 - 1st Ed. 
 -  National Book Trust, India New Delhi,  2004 
 - 64p 
<br/><br/><label>ISBN: </label>81-237-1080-1 
<br/><br/><label>Dewey Class. No.: </label>363.73  / SES/P