Updated handbook for the 1979 Convention on Long-range Transboundary Air Pollution and its protocols.
United Nations.Economic Commission for Europe.issuing body.
At head of title: Economic Commission for Europe.
"ECE/EB.AIR/113"--Page 2.
"United Nations publication. Sales no. E.15.II.E.10"--Back cover.
Air
Transboundary pollution
Air quality management