@article{244180,
      note = {Transmits: Definitions of reserves and resources / as  approved by British Institution of Mining and Metallurgy.},
      url = {http://digitallibrary.un.org/record/244180},
      title = {Reassessment of coal deposits under market economy  conditions /},
      publisher = {[UN],},
      recid = {244180},
      pages = {6 p.},
      address = {Geneva :. 1993-07-14},
      year = {1993},
      month = {Jul},
}