@article{103385,
      url = {http://digitallibrary.un.org/record/103385},
      title = {Activities of the Group of Economic Experts on Air  Pollution of the Executive Body for the Convention on  Long-Range Transboundary Air Pollution.},
      publisher = {UN,},
      recid = {103385},
      pages = {3 p.},
      address = {Geneva :. 1990-11-12},
      year = {1990},
      month = {Nov},
}