@article{451787,
      author = {Luttwak, Edward.},
      url = {http://library.usi.edu/record/451787},
      title = {The grand strategy of the Roman Empire : from the first  century A.D. to the third /},
      publisher = {Johns Hopkins University Press,},
      recid = {451787},
      pages = {xii, 255 p. :},
      address = {Baltimore :},
      year = {1979},
}