@article{79858,
      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/79858},
      title = {Tungsten statistics, Dec. 1989.},
      publisher = {UN,},
      recid = {79858},
      pages = {v, 32 p. :},
      address = {Geneva :. 1989-12},
      year = {1989},
      month = {Dec},
}