@misc{indiciae970de83abd0d,
  title = {Analytical simulation of SPS system performance, volume 3, phase 3},
  author = {Kantak, A. V. and Lindsey, W. C.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800010290},
  note = {Source identifier: 19800010290}
}