@article{169077,
      note = {"Prepared by the Division of Data Management of the  UNCTAD"},
      url = {http://digitallibrary.un.org/record/169077},
      title = {Monthly commodity price bulletin. Vol. 13, no. 5/6,  May/June 1993 = Bulletin mensuel des prix des produits de  base. Vol. 13, no 5/6, mai/juin 1993 = Boletín mensual de  precios de productos básicos. Vol. 13, no. 5/6, mayo/junio  1993.},
      publisher = {UN,},
      recid = {169077},
      pages = {vi, 18 p. :},
      address = {Geneva :. 1993-06},
      year = {1993},
      month = {Jun},
}