Clearing the air : 25 years of the Convention on Long-range Transboundary Air Pollution 
/by United Nations Economic Commission for Europe (UN-ECE) 
 - New York :  United Nations  2004 
 - xii, 167 pages. : illustrations 
<br/><br/><label>ISBN: </label>9211169100 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AIR--POLLUTION--LAW AND LEGISLATION--HISTORY--EUROPE<br/>CONVENTION ON LONG-RANGE TRANSBOUNDARY AIR POLLUTION (1979)--HISTORY
<br/><br/><label>LC Class. No.: </label>UN-ECE(02)2004/9