@article{241126,
      recid = {241126},
      author = {Launius, Roger D.},
      title = {Frontiers of space exploration /},
      publisher = {Greenwood Press,},
      address = {Westport, Conn. :},
      pages = {xxxi, 204 p. :},
      year = {1998},
      url = {http://library.usi.edu/record/241126},
}