Siritunga, T.L.J.C. ILEPERUMA, O.A. <br/><br/>
Air pollution and health 

 - Kandy  Sanduni Offset Printers 
 - iv, 24 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental pollution
<br/><br/><label>Dewey Class. No.: </label>363.7  / ILL