De,  Anil  Kr. <br/><br/>
Environmental  Chemistry 

 - 4th /   1993. 
 - Delhi:  Wiley  Eastern  Ltd,  1993. 
 - 340p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Chemistry, Chemistry  and  allied  science. 
<br/><br/><label>Dewey Class. No.: </label>540