@misc{indiciae2a9ecdb828c4,
  title = {Effective guidance and control redundancy.},
  author = {Bachofer, B. T. and Barnhill, D. H. and Spollen, F. J.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670057223},
  note = {Source identifier: 19670057223}
}