@article{101975,
      url = {http://digitallibrary.un.org/record/101975},
      title = {International classification of coal : draft Australian  Standard for Classification and Coding Systems for  Australian Coals /},
      publisher = {UN,},
      recid = {101975},
      pages = {7 p.},
      address = {Geneva :. 1984-08-28},
      year = {1984},
      month = {Aug},
}