@article{94719,
      url = {http://digitallibrary.un.org/record/94719},
      title = {Report of the 4th session : Economic Commission for  Europe, Executive Body for the Convention on Long-Range  Transboundary Air Pollution, Working Group on Abatement  Strategies.},
      publisher = {UN,},
      recid = {94719},
      pages = {6 p.},
      address = {Geneva :. 1990-07-17},
      year = {1990},
      month = {Jul},
}