@article{85834,
      note = {"Quarterly bulletin of the UNCTAD Committee on  Tungsten...prepared by the Central Statistical Service  (Data Management Division) of UNCTAD"},
      url = {http://digitallibrary.un.org/record/85834},
      title = {Tungsten statistics, Jan. 1990.},
      publisher = {UN,},
      recid = {85834},
      pages = {v, 33 p. :},
      address = {Geneva :. 1990-01},
      year = {1990},
}