Nath, Pashupati <br/><br/>
Enviromental Pollution, vol. I  : Conservation and planning 
/ by Pashupati Nath and Siddha Nath 
 - 1st ed. 
 - Allahabad:  Chugh Publication,  1990. 
 - 272p. 
<br/><br/><label>ISBN: </label>8185076847 
<br/><br/><label>Dewey Class. No.: </label>614.7  / NAT/E