@article{244175,
      url = {http://digitallibrary.un.org/record/244175},
      title = {Reassessment of coal deposits under market-economy  conditions /},
      publisher = {[UN],},
      recid = {244175},
      pages = {9 p.},
      address = {Geneva :. 1992-11-30},
      year = {1992},
      month = {Nov},
}