@article{156678,
      note = {"Prepared by the Central Statistical Service (Data  Management Division) of UNCTAD".},
      url = {http://digitallibrary.un.org/record/156678},
      title = {Tungsten statistics. Dec. 1992.},
      publisher = {UN,},
      recid = {156678},
      pages = {v, 39 p. :},
      address = {[Geneva] :. 1992-12},
      year = {1992},
      month = {Dec},
}