@misc{indiciae6df44574697c,
  title = {Satellite Power Study (SPS) concept definition study (Exhibit D). Volume 1: Executive summary},
  author = {Hanley, G. M.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810011035},
  note = {Source identifier: 19810011035}
}