@misc{indiciae5bf5eb419550,
  title = {Electric propulsion options for the SP-100 reference mission},
  author = {Hardy, Terry L. and Rawlin, Vincent K. and Patterson, Michael J.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19880014912},
  note = {Source identifier: 19880014912}
}