@article{312536,
      note = {Popular treatment.},
      author = {Van Pelt, Michel.},
      url = {http://library.usi.edu/record/312536},
      title = {Space invaders : how robotic spacecraft explore the solar  system /},
      publisher = {Copernicus Books,},
      recid = {312536},
      pages = {xiii, 312 p. :},
      address = {New York :},
      year = {2007},
}