@misc{indiciaef65aacc81ffd,
  title = {Solid-state retrodirective phased array concepts for microwave power transmission from Solar Power Satellite},
  author = {Schroeder, K. G. and Petroff, I. K.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19820004695},
  note = {Source identifier: 19820004695}
}