@article{10627,
      author = {Vinson, Robert P.},
      url = {http://library.usi.edu/record/10627},
      title = {Methane accumulations in coal mine roof cavities /},
      publisher = {Dept. of the Interior, Bureau of Mines,},
      recid = {10627},
      pages = {[3], 15 p. :},
      address = {[Washington] :},
      year = {1978},
}