@article{172158,
      note = {Prepared by the Division of Data Management of UNCTAD.},
      url = {http://digitallibrary.un.org/record/172158},
      title = {Monthly commodity price bulletin. Vol. 13, no. 7, July  1993 = Bulletin mensuel des prix des produits de base. Vol.  13, no 7, juil. 1993 = Boletín mensual de precios de  productos básicos. Vol. 13, no. 7, jul. 1993.},
      publisher = {UN,},
      recid = {172158},
      pages = {vi, 18 p. :},
      address = {Geneva :. 1993-08},
      year = {1993},
      month = {Aug},
}