@article{431578,
      url = {http://digitallibrary.un.org/record/431578},
      title = {Black spot sign : note /},
      publisher = {UN,},
      abstract = {Transmits national information from 12 Governments.},
      recid = {431578},
      pages = {8 p. :},
      address = {Geneva :. 2001-01-17},
      year = {2001},
      month = {Jan},
}