The state of transboundary air pollution  1989 update : report prepared within the framework of the Convention on Long-range Transboundary Air Pollution 
Economic Commission for Europe  
 - New York  United Nations  1990  
 - v, 85p.  ill.  30cm 
<br/><br/> "ECE/EB.AIR/25"  
<br/><br/>Includes bibliographies  
<br/><br/><label>ISBN: </label>9211164893 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air--Pollution--Europe<br/>Pollution--Europe