@misc{indiciae2d257ddd091e,
  title = {A Quick Method for Estimating Vehicle Characteristics Appropriate for Continuous Thrust Round Trip Missions Within the Solar System},
  author = {Emrich, Bill},
  year = {2006},
  url = {https://ntrs.nasa.gov/citations/20060047565},
  note = {Source identifier: 20060047565}
}