Sharma, B K and Kaur, H  <br/><br/>
Introduction to environmental pollution  

 - krishna prakashana   Meerut   1997 
 -  125 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENVIRONMENTAL STUDIES 
<br/><br/><label>Dewey Class. No.: </label>628.168 SHA