@misc{indiciae125328eee431,
  title = {Information transfer satellite concept study. Volume 3: Appendices},
  author = {Bergin, P. and Kincade, C. and Kurpiewski, D. and Leinhaupel, F. and Millican, F. and Onstad, R.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19720011213},
  note = {Source identifier: 19720011213}
}