The state of transboundary air pollution : 1992 update : report prepared within the framework of the Convention on Long-range Transboundary Air Pollution. - United Nations. Economic Commission for Europe (New York : United Nations, 1993)
Strategies and policies for air pollution abatement: 1992 review -- Results from integrated assessment modelling analysis of sulphur abatement strategies -- The 1992 report on forest condition in Europe: executive summary.
At head of title: Economic Commission for Europe.
"ECE/EB.AIR/34."
"United Nations publication sales no. E.93.II.E.25"--t.p. verso.
Includes bibliographical references.
Keywords: Air -- Pollution; Transboundary pollution; Sulfur -- Environmental aspects; Trees -- Effect of air pollution on -- Europe; Forest conservation -- Europe