@misc{indiciae144c5544f58c,
  title = {An integrated system for precision attitude determination and control},
  author = {Frew, A. M. and Huber, T. C. and Kirby, D. K. and Wheeler, P. C.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710056506},
  note = {Source identifier: 19710056506}
}