Coomaraswamy, Uma <br/><br/>
Environmental and applied microbiology. vol. II    microbiology of water and air 
<label>/ by </label> Coomaraswamy, Uma 
 - Nugegoda  Open University of Sri Lanka  1998 
 - xviii, 96p.  ill.  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microorganisms<br/>Sewage disposal<br/>Water-pollution<br/>Water-supply
<br/><br/><label>Dewey Class. No.: </label>579  / COO