@article{457635,
      note = {Prepared by the UNCTAD Central Statistics Section.},
      url = {http://digitallibrary.un.org/record/457635},
      title = {Monthly commodity price bulletin. Bulletin mensuel des  prix des produits de base. Vol. 21, no 12, déc. 2001 =  Boletín mensual de precios de productos básicos. Vol. 21,  no. 12, dic. 2001, Vol. 21, no. 12, Dec. 2001 =},
      publisher = {UN,},
      recid = {457635},
      pages = {iv, 19 p. :},
      address = {Geneva :. 2002-01},
      year = {2002},
      month = {Jan},
}