@misc{indiciaef921d0763b26,
  title = {Galactic Jupiter probes.},
  author = {Clarke, J. F. and Hymowitz, E. W. and Trainor, J. H.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690034314},
  note = {Source identifier: 19690034314}
}