@article{253243,
      url = {http://digitallibrary.un.org/record/253243},
      title = {Draft Protocol to the Convention on Long-range  Transboundary Air Pollution on Heavy Metals.},
      publisher = {UN,},
      recid = {253243},
      pages = {36 p. :},
      address = {Geneva :. 1998-03-31},
      year = {1998},
      month = {Mar},
}