@article{61289,
      note = {"Quarterly bulletin of the UNCTAD Committee on Tungsten,  prepared by the Central Statistical Service (Data  Management Division) of UNCTAD on behalf of the Committee"},
      url = {http://digitallibrary.un.org/record/61289},
      title = {Tungsten statistics, Apr. 1989.},
      publisher = {UN,},
      recid = {61289},
      pages = {v, 35 p. :},
      address = {Geneva :. 1989},
      year = {1989},
}