D R Khanna <br/><br/>
Waste products and pollution 

 - New Delhi  Discovery publishing  2012 
<br/><br/><label>ISBN: </label>9789350561294 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental pollution<br/>DDT<br/>Sewage treatment<br/>Thermal pollution and global warming
<br/><br/><label>Dewey Class. No.: </label>363.728  / KHA.W