@article{166117,
      url = {http://digitallibrary.un.org/record/166117},
      title = {Recommendations for UN/EDIFACT message level security /},
      publisher = {UN,},
      recid = {166117},
      pages = {iii, 12 p. :},
      address = {Geneva :. 1993-02-04},
      year = {1993},
      month = {Feb},
}