Katyal, Timmy <br/><br/>
Environmental Pollution /  
Timmy Katyal and M Satake. 
 - 1st ed. 
 - New Delhi :  Anmol Publications Pvt. Ltd.,  1998. 
 - 301p. :  ill, ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution.
<br/><br/><label>Dewey Class. No.: </label>363.7  / KAE