@article{173952,
      note = {"Appendix 1: Preliminary draft Second Sulphur Protocol":  p. 8-24.},
      url = {http://digitallibrary.un.org/record/173952},
      title = {Report of the 11th session : Economic Commission for  Europe, Executive Body for the Convention on Long-Range  Transboundary Air Pollution, Working Group on Strategies.},
      publisher = {UN,},
      recid = {173952},
      pages = {30 p. :},
      address = {Geneva :. 1993-09-13},
      year = {1993},
      month = {Sep},
}