@article{22161,
      author = {Morrison, David, and Wells, William C., and Anders,  Edward,},
      url = {http://library.usi.edu/record/180250},
      title = {Asteroids : an exploration assessment : a workshop /},
      publisher = {National Aeronautics and Space Administration,       Scientific and Technical Information Office ;},
      number = {22161},
      recid = {180250},
      pages = {vi, 300 p. :},
      address = {Washington :},
}