National Environmental Engineering Research Institute <br/><br/>
Technical Digest No. 1-58 (1970-77) 

 - Nagpur  National Environmental Engineering Research Institute 
 - p.58 
<br/><br/><label>Subjects--Topical Terms: </label> Plant Treatments  Waste Disposal  Sewage Farming  Defluoridation  Natural Cogulant Aids 
<br/><br/><label>Dewey Class. No.: </label>620.8 N28T