@article{174743,
      url = {http://digitallibrary.un.org/record/174743},
      title = {Progress in selected areas of cooperation : Economic  Commission for Europe, Executive Body for the Convention on  Long-Range Transboundary Air Pollution : note /},
      publisher = {UN,},
      recid = {174743},
      pages = {4 p.},
      address = {Geneva :. 1993-09-21},
      year = {1993},
      month = {Sep},
}