@article{172520,
      url = {http://digitallibrary.un.org/record/172520},
      title = {Model law on procurement : compilation of comments by  Governments /},
      publisher = {Un,},
      recid = {172520},
      pages = {2 p.},
      address = {Vienna :. 1993-07-06},
      year = {1993},
      month = {Jul},
}