@article{52735,
      recid = {52735},
      author = {Chislaghi, Charles T.},
      title = {Field test of an automated temporary roof support (ATRS)  on a low-coal, single fixed-head roof-bolting machine  (squirmer) /},
      publisher = {U.S. Dept. of the Interior, Bureau of Mines,},
      address = {Pittsburgh, Pa. :},
      pages = {11 p. :},
      year = {1982},
      note = {"Bureau of Mines Coal Mine Health and Safety Program."},
      url = {http://library.usi.edu/record/52735},
}