"Katyal, Timmy" <br/><br/>
Environmental pollution/ by Timmy Katyal and M. Satake ; edited by Raj Kumar 

 - 1st ed. 
 - New Delhi  Anmol Pub.  1989 
 - 302 p. 
<br/><br/><label>ISBN: </label>8170411238 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution environmental aspects - India
<br/><br/><label>Dewey Class. No.: </label>363.73 KAT