@misc{indiciaeb67a4cefa640,
  title = {A Space Communications Study Progress Report, Sep. 15 - Mar. 15, 1966},
  author = {Clarke, K. K. and Pickholtz, R. L. and Schilling, D. L.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660016968},
  note = {Source identifier: 19660016968}
}