@article{100602,
      url = {http://digitallibrary.un.org/record/100602},
      title = {Symposium on Sudden Outbursts of Coal and Gas /},
      publisher = {UN,},
      recid = {100602},
      pages = {1 p.},
      address = {Geneva :. 1985-04-22},
      year = {1985},
      month = {Apr},
}