@article{31986,
      note = {On cover: Fossil energy.},
      author = {Lucas, J. Richard.},
      url = {http://library.usi.edu/record/31986},
      title = {Design optimization in underground coal systems.},
      publisher = {Dept. of Energy,},
      recid = {31986},
      pages = {v. :},
      address = {[Washington] :},
      year = {1978},
}