@article{180501,
      note = {"Prepared by the Division of Data Management of the  UNCTAD"},
      url = {http://digitallibrary.un.org/record/180501},
      title = {Monthly commodity price bulletin. Vol. 13, no. 11,  Nov./Dec. 1993 = Bulletin mensuel des prix des produits de  base. Vol. 13, no 11, nov./déc. 1993 = Boletín mensual de  precios de productos básicos. Vol. 13, no. 11, nov./dic.  1993.},
      publisher = {UN,},
      recid = {180501},
      pages = {vi, 18 p. :},
      address = {Geneva :. 1994-01},
      year = {1994},
      month = {Jan},
}