Sharma,B K <br/><br/>
Environmental Chemistry 

 - 13rd edition 
 - Meerut:  Krishna Prakashan Media,  2012. 
 - 1850p. 
<br/><br/><label>ISBN: </label>9788182831193 
<br/><br/><label>Dewey Class. No.: </label>577.14 SHA/E