"Seshagiri,N." <br/><br/>
Pollution 

 - New Delhi  National Book Trust  2004 
 - 57p. 
<br/><br/><label>ISBN: </label>8123710801 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>J 363.731 SES