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Cover The state of transboundary air pollution
Monografie (a stampa) Monografie (a stampa)
united nations. economic commission for europe
The state of transboundary air pollution: 1989 update / United Nations, Economic Commission for Europe, Geneva. - New York : United Nations, 1990. - V, 86 p.
New York : United Nations, 1990
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    Cover The state of transboundary air pollution
    Monografie (a stampa) Monografie (a stampa)
    united nations. economic commission for europe
    The state of transboundary air pollution: effects and control / United Nations, Economic Commission for Europe, Geneva. - New York : United Nations, 1989. - V, 104 p.
    New York : United Nations, 1989
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      Cover Protection of transboundary waters
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      united nations. economic commission for europe
      Protection of transboundary waters: guidance for policy-and decision-making / Economic commission for Europe. - New York ; Geneva : United Nations, 1996. - VII, 36 p.
      New York ; Geneva : United Nations, 1996
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        Cover Effects and control of transboundary air pollution
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        united nations
        Effects and control of transboundary air pollution: report prepared within the framework of the Convention on Long-Range Transboundary Air Pollution / Economic Commission for Europe of the United Nations. - New York : United Nations, 1987. - VI, 133 p.
        New York : United Nations, 1987
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          Cover Assessment of long-range transboundary air pollution
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          Assessment of long-range transboundary air pollution / Economic Commission for Europe of the United Nations. - New York : United Nations, 1991. - VI, 94 p. ; 30 cm
          New York : United Nations, 1991
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