@article{335640,
      author = {Weingardt, Richard.},
      url = {http://library.usi.edu/record/335640},
      title = {Circles in the sky : the life and times of George Ferris  /},
      publisher = {American Society of Civil Engineers,},
      recid = {335640},
      pages = {xx, 162 p. :},
      address = {Reston, Va. :},
      year = {2009},
}