@misc{indiciaede734e64a970,
  title = {Orbiting mirrors for terrestrial energy supply},
  author = {Billman, K. W. and Gilbreath, W. P. and Bowen, S. W.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790032592},
  note = {Source identifier: 19790032592}
}