@misc{indiciae332a535c7c58,
  title = {Flexible spacecraft control system design procedures utilizing hybrid coordinates},
  author = {Likins, P. W. and Marsh, E. L. and Fleischer, G. E.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710028021},
  note = {Source identifier: 19710028021}
}