Seshagiri, N. <br/><br/>
Pollution 
Seshagiri, N. 
 - New Delhi  National Book Trust  1992 
 - iv [various pagings]. col., ill. ; 22cm. - 
 - Nehru Bal Pustakalaya .
<br/><br/><label>Dewey Class. No.: </label>301.31  / SES