@article{184772,
      note = {Distributed to depository libraries in microfiche.},
      author = {Vandergrift, Thomas L. and Jude, Charles V.},
      url = {http://library.usi.edu/record/184772},
      title = {Numerical modeling analysis of stress transfer  modification concepts for deep longwall mines [microform]  /},
      publisher = {U.S. Dept. of the Interior, Bureau of Mines,},
      recid = {184772},
      pages = {43 p. :},
      address = {[Washington, D.C.?] :},
      year = {1995},
}