@misc{indiciae174cfe5c3579,
  title = {Optimal Controller Tested for a Magnetically Suspended Five-Axis Dynamic Spin Rig},
  author = {Choi, Benjamin B.},
  year = {2003},
  url = {https://ntrs.nasa.gov/citations/20050214752},
  note = {Source identifier: 20050214752}
}