@article{410169,
      url = {http://library.usi.edu/record/410169},
      title = {Scientific rationale for mobility in planetary  environments [electronic resource] /},
      publisher = {National Academy Press,},
      recid = {410169},
      pages = {xi, 56 p. :},
      address = {Washington, D.C. :},
      year = {1999},
}