@article{32529,
      recid = {32529},
      author = {Grigal, Dennis J.},
      title = {Flooded-bed scrubber for machine-mounted coal mine  applications : final report /},
      publisher = {Donaldson Co.,},
      address = {Minneapolis, Minn. :},
      pages = {39 p. :},
      year = {1979},
      url = {http://library.usi.edu/record/32529},
}