@article{334545,
      author = {Schilling, Govert.},
      url = {http://library.usi.edu/record/334545},
      title = {The hunt for planet X : new worlds and the fate of Pluto  /},
      publisher = {Copernicus Books/Springer Science + Business Media,},
      recid = {334545},
      pages = {xiii, 303 p. :},
      address = {New York :},
      year = {2009},
}