@article{261559,
      author = {Ferguson, Kitty.},
      url = {http://library.usi.edu/record/261559},
      title = {Tycho & Kepler : the unlikely partnership that forever  changed our understanding of the heavens /},
      publisher = {Walker & Co.,},
      recid = {261559},
      pages = {xiv, 402 p., [8] p. of plates :},
      address = {New York :},
      year = {2002},
}