@article{252055,
      note = {"Guiding principles for the elaboration of a Protocol on  Nitrogen Oxides and Related Substances": p. 10-11.},
      url = {http://digitallibrary.un.org/record/252055},
      title = {Report of the 26th session : Economic Commission for  Europe, Executive Body for the Convention on Long-range  Transboundary Air Pollution, Working Group on Strategies.},
      publisher = {UN,},
      recid = {252055},
      pages = {11 p.},
      address = {Geneva :. 1998-03-25},
      year = {1998},
      month = {Mar},
}