TY - BOOK ED - United Nations Economic Commission for Europe (UNECE) TI - Clearing the air : 25 years of the Convention on Long-range Transboundary Air Pollution SN - 9211169100 AV - UN-ECE(02)2004/9 PY - 2004/// CY - New York PB - United Nations KW - AIR--POLLUTION--LAW AND LEGISLATION--HISTORY--EUROPE KW - CONVENTION ON LONG-RANGE TRANSBOUNDARY AIR POLLUTION (1979)--HISTORY ER -