@misc{indiciae43a01ebede59,
  title = {Circuits and circuit testing for spaceborne redundant digital systems Special technical report no. 3},
  author = {Brinker, H. and Helland, A. R.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19660017748},
  note = {Source identifier: 19660017748}
}