@misc{indiciae411ccbf96378,
  title = {Trajectory Options for Ice and Fire Preproject Missions Utilizing Solar Electric Propulsion},
  author = {Sims, J. and Maddock, R.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/20210003179},
  note = {Source identifier: 20210003179}
}