Kumar, Harish <br/><br/>
Environmental Health Hazards 
/ by Harish Kumar 
 - Delhi;  IVY Publishing House:  2001. 
 - 366p. 
<br/><br/><label>ISBN: </label>8178900092 
<br/><br/><label>Dewey Class. No.: </label>613.1  / KUM/E