@article{100601,
      url = {http://digitallibrary.un.org/record/100601},
      title = {Symposium on Sudden Outbursts of Coal and Gas /},
      publisher = {UN,},
      recid = {100601},
      pages = {1 p.},
      address = {Geneva :. 1985-03-01},
      year = {1985},
      month = {Mar},
}