@misc{indiciaeafff5eba7235,
  title = {Propulsion evaluation for orbit-on-demand vehicles},
  author = {Martin, James A. and Naftel, J. Chris and Turriziani, R. Victor},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870038412},
  note = {Source identifier: 19870038412}
}