@misc{indiciae21926e1a78a3,
  title = {Cryogenic propulsion with zero boil-off storage applied to outer planetary exploration},
  author = {Guernsey, Carl S. and Baker, Raymond S. and Plachta, David and Kittel, Peter},
  year = {2005},
  url = {https://ntrs.nasa.gov/citations/20060042833},
  note = {Source identifier: 20060042833}
}