@misc{indiciae6eb306818cfe,
  title = {Solar Power Satellite antenna phase control system hardware simulation, phase 4: Volume 1: Executive summary},
  author = {Lindsey, W. C. and Kantak, A. V. and Chie, C. M.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810025069},
  note = {Source identifier: 19810025069}
}