@article{515016,
      url = {http://digitallibrary.un.org/record/515016},
      title = {The case for road signage for natural gas fuelling  stations /},
      publisher = {UN,},
      recid = {515016},
      pages = {5 p. :},
      address = {Geneva :. 2004-01-30},
      year = {2004},
      month = {Jan},
}