Health risk of ozone form long - range transboundary air pollution:  English. 
World  Health Organization . 
 -  2009. 
 - xiii, 93 p.:  ill. bar charts, color maps;  24cm. 
<br/><br/><label>ISBN: </label>9789289042895 
<br/><br/><label>Dewey Class. No.: </label>551.558  / WOR