@article{184722,
      note = {Distributed to depository libraries in microfiche.},
      author = {Jude, Charles V.},
      url = {http://library.usi.edu/record/184722},
      title = {Structural analysis of a mechanized LHD trench undercut  caving system [microform] /},
      publisher = {U.S. Dept. of the Interior, Bureau of Mines,},
      recid = {184722},
      pages = {ii, 45 p. :},
      address = {[Washington, D.C.?] :},
      year = {1995},
}