@misc{indiciae30d456301e72,
  title = {A Nonlinear Observer for Gyro Alignment Estimation},
  author = {Thienel, J. and Sanner, R. M.},
  year = {2003},
  url = {https://ntrs.nasa.gov/citations/20030020625},
  note = {Source identifier: 20030020625}
}