@article{242882,
      url = {http://digitallibrary.un.org/record/242882},
      title = {Threshold quantities : working paper /},
      publisher = {UN,},
      recid = {242882},
      pages = {2 p.},
      address = {Geneva :. 1997-07-30},
      year = {1997},
      month = {Jul},
}