00670nam a2200193Ia 4500 0000016277 20251012174746.0 920605s1990 xxu 00 eng 9211164893 e------ 363.73094 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 "ECE/EB.AIR/25" Includes bibliographies Air Pollution Europe Pollution Europe 10145 10145