@misc{indiciae44689bb49716,
  title = {Selection of a pump-fed propulsion system for planetary exploration missions},
  author = {Auslander, T. W. and Estey, P. N. and Boretz, J. E.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810057789},
  note = {Source identifier: 19810057789}
}