@article{244733,
      url = {http://digitallibrary.un.org/record/244733},
      title = {United Nations International Framework Classification for  Reserves/Resources : Solid Fuels and Mineral Commodities :  executive summary /},
      publisher = {UN,},
      recid = {244733},
      pages = {9 p. :},
      address = {Geneva :. 1997-02-17},
      year = {1997},
      month = {Feb},
}