@article{145773,
      url = {http://digitallibrary.un.org/record/145773},
      title = {International tin statistics bulletin. No. 4, Apr. 1992.},
      publisher = {UN,},
      recid = {145773},
      pages = {vii, 47 p. :},
      address = {Geneva :. 1992-06},
      year = {1992},
      month = {Jun},
}