@misc{indiciae85166fffa046,
  title = {Satellite power systems (SPS) concept definition study. Volume 7: SPS program plan and economic analysis, appendixes},
  author = {Hanley, G.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790006971},
  note = {Source identifier: 19790006971}
}