@misc{indiciae1395a44e1e21,
  title = {Voter comparator switch provides fail safe data communications system - A concept},
  author = {Koczela, L. J. and Wilgus, D. S.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710000501},
  note = {Source identifier: 19710000501}
}