@article{224693,
      recid = {224693},
      title = {NASA breakthrough propulsion physics : workshop  proceedings : proceedings of a conference held at and  sponsored by NASA Lewis Research Center, Cleveland, Ohio,  August 12-14, 1998.},
      publisher = {National Aeronautics and Space Administration, Lewis  Research Center,},
      address = {Washigton, D.C. :},
      pages = {xxiii, 456 p. :},
      year = {1999},
      note = {"January 1999".},
      url = {http://library.usi.edu/record/224693},
}