Katyal, Timmy, Satake, M. and Kumar, Raj <br/><br/>
Environmental pollution 

 - New Delhi  ; Anmol Publications  , 1989 
 - 302p. 
<br/><br/><label>ISBN: </label>8170411238  250 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Pollution<br/>Environmental Problems
<br/><br/><label>Dewey Class. No.: </label>363.73  / KAT