Sethi, M.S. <br/><br/>
Environmental chemistry 

 -  Shri Sai Printograph  1994 
 - 386p. 
<br/><br/><label>ISBN: </label> 150 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOTANY
<br/><br/><label>Dewey Class. No.: </label>577.14  / SET