@article{177830,
      author = {Ludley, John.},
      url = {http://digitallibrary.un.org/record/177830},
      title = {Migration to open system and relational databases recent  experience and lessons learned /},
      publisher = {UN,},
      recid = {177830},
      pages = {8 p.},
      address = {Geneva :. 1994-02-25},
      year = {1994},
      month = {Feb},
}