@article{6187,
      recid = {6187},
      author = {Bielicki, Richard J.},
      title = {Coal mine equipment forecast to 1985 /},
      publisher = {U.S. Dept. of the Interior, Bureau of Mines,},
      address = {Washington :},
      pages = {ii, 37 p. :},
      year = {1976},
      url = {http://library.usi.edu/record/6187},
}