Rao, M Narayana and Thanikachalam, V <br/><br/>
Enviornmetal Engineering 

 - New Delhi  Tata Mcgraw Hill Book Publishing Company Limited  1993 
 - 264 
<br/><br/><label>ISBN: </label>0074604422 
<br/><br/><label>Publisher. No.: </label> Gangaram Book Bureau 
<br/><br/><label>Subjects--Personal Names: </label> Environmental Science 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science