@misc{indiciae165c2dd0cc91,
  title = {The S-band Telemetry, Tracking, and Command Experiment.},
  author = {Heffernan, P. J. and Pickard, R. H. and Schmid, P. E.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690063770},
  note = {Source identifier: 19690063770}
}