@article{175576,
      note = {Prepared by the Central Statistical Service (Data  Management Service) of UNCTAD.},
      url = {http://digitallibrary.un.org/record/175576},
      title = {Tungsten statistics. Oct. 1993.},
      publisher = {UN,},
      recid = {175576},
      pages = {v, 40 p. :},
      address = {Geneva :. 1993-10-12},
      year = {1993},
      month = {Oct},
}