@misc{indiciae31b937a867e5,
  title = {Space station propulsion options},
  author = {Wilkinson, C. L. and Brennan, S. M. and Valgora, M. E.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850061824},
  note = {Source identifier: 19850061824}
}