Purohit,S.K. <br/><br/>
Chemical and biological methods of water and air pollution control : A practical Hygiene Manual 

 - India:  Agro Botanical,  1985. 
 - 57p.;  17 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution countermeasures<br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>628.5  / PUR