@misc{indiciae2c2aa1e97f4a,
  title = {Space-storable propulsion systems comparison.},
  author = {Friedlaender, F. M. and Piper, J. E.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690043992},
  note = {Source identifier: 19690043992}
}