@article{447540,
      recid = {447540},
      author = {Watkinson, John,},
      title = {Art of the helicopter [electronic resource] /},
      publisher = {Elsevier Butterworth-Heinemann,},
      address = {Oxford ;},
      pages = {xii, 390 p. :},
      year = {2004},
      note = {Includes index.},
      url = {http://library.usi.edu/record/447540},
}