@article{175905,
      url = {http://digitallibrary.un.org/record/175905},
      title = {UN/EDIFACT directory version release procedures /},
      publisher = {UN,},
      recid = {175905},
      pages = {7 p.},
      address = {Geneva :. 1993-08-09},
      year = {1993},
      month = {Aug},
}