@misc{indiciaecef97ad72e01,
  title = {An Analytic Approximation to Very High Specific Impulse and Specific Power Interplanetary Space Mission Analysis},
  author = {Williams, Craig Hamilton},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/19960003391},
  note = {Source identifier: 19960003391}
}