@article{162021,
      url = {http://digitallibrary.un.org/record/162021},
      title = {International tin statistics bulletin. No. 12-13,  Mar./June 1994.},
      publisher = {UN,},
      recid = {162021},
      pages = {vii, 50 p. :},
      address = {Geneva :. 1994-08},
      year = {1994},
      month = {Aug},
}