@article{171618,
      note = {Estimates updated as of 30 April 1994 = Evaluations a jour  au 20 avril 1994 = Previsiones actualizadas al 30 de abril  de 1994.},
      url = {http://digitallibrary.un.org/record/171618},
      title = {Narcotic drugs : estimated world requirements for 1994,  statistics for 1992. Supplement no. 4 = Stupéfiants :  évaluations des besoins du monde pour 1994, statistiques  pour 1992. Supplément no 4 = Estupefacientes : previsiones  de las necesidades mundiales para 1994, estadísticas para  1992. Suplemento no. 4.},
      publisher = {UN,},
      recid = {171618},
      pages = {21 p. :},
      address = {Vienna :. 1994},
      year = {1994},
}