Acute effects on health of smog episodes 

 - Copenhagen  WHO  1992 
 - 74 
 - WHO Regional Publications, European Series  No.43 .
<br/><br/><label>ISBN: </label>928901306 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMMUNITY MEDICINE
<br/><br/><label>Universal Decimal Class. No.: </label>614.7  / A18