@misc{indiciaeeca619f01de5,
  title = {Satellite Power System (SPS) concept definition study (Exhibit D). Volume 2: Systems/subsystems analyses},
  author = {Hanley, G. M.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810012962},
  note = {Source identifier: 19810012962}
}