@article{728945,
      author = {Ball, Andrew.},
      url = {http://library.usi.edu/record/728945},
      title = {Planetary landers and entry probes [electronic resource]  /},
      publisher = {Cambridge University Press,},
      recid = {728945},
      pages = {1 online resource (xxi, 340 p.) :},
      address = {Cambridge :},
      year = {2007},
}