Phukan, S D . <br/><br/>
Air Water and Land Pollution /  Textual Documents 
S D Phukan. 
 - 1st ed. / 
 - Guwahati :  Assam Science Society ,  ©1978. 
 - 242p. :  ill ;  22cm . 
<br/><br/><label>Subjects--Index Terms: </label>Pollution-Air Water and Land G-Technology 
<br/><br/><label>Dewey Class. No.: </label>628.53  / Ph 568 Ai