@misc{indiciaea8a892489b42,
  title = {Propulsion evaluation for orbit-on-demand vehicles},
  author = {Martin, J. A. and Naftel, J. C. and Turriziani, R. V.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850057479},
  note = {Source identifier: 19850057479}
}