@article{102112,
      url = {http://digitallibrary.un.org/record/102112},
      title = {Processing of coal into secondary energy sources : replies  to the questionnaire /},
      publisher = {UN,},
      recid = {102112},
      pages = {6 p. :},
      address = {Geneva :. 1984-02-22},
      year = {1984},
      month = {Feb},
}