@article{100577,
      url = {http://digitallibrary.un.org/record/100577},
      title = {Symposium on Sudden Outbursts of Coal and Gas /},
      publisher = {UN,},
      recid = {100577},
      pages = {1 p.},
      address = {Geneva :. 1985-03-11},
      year = {1985},
      month = {Mar},
}