1979 Convention on Long-range Transboundary Air Pollution and its 1998 protocols on persistent organic pollutants and heavy metals /
United Nations.Economic Commission for Europe.
New York ; Geneva : United Nations,
1999.
"ECE/EB.AIR/66."
"United Nations publication sales no. E.99.II.E.21"--T.p. verso.
Air
Transboundary pollution
Air quality management
Persistent pollutants
Heavy metals