@misc{indiciae7b790410a4b3,
  title = {DIGITAL COMMAND SYSTEM FOR SATELLITES},
  author = {Kierner, F. A., Jr. and Sturgis, D. P.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630024186},
  note = {Source identifier: 19630024186}
}