TY  - BOOK
ED  - United Nations.
TI  - The state of transboundary air pollution: 1992 update : report prepared within the framework of the Convention on Long-range Transboundary Air Pollution
SN  - 9211165741
U1  - 363.7392 20
PY  - 1993///
CY  - New York
PB  - United Nations
KW  - Air
KW  - Pollution
KW  - Transboundary pollution
KW  - Sulfur
KW  - Environmental aspects
KW  - Trees
KW  - Effect of air pollution on
KW  - Europe
KW  - Forest conservation
N1  - 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; 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
ER  -