@misc{indiciaee3fe3fcf50b3,
  title = {Switchboard in the sky},
  author = {Fordyce, S. W. and Jaffe, L. and Hamilton, E. C.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780053334},
  note = {Source identifier: 19780053334}
}