@misc{indiciae5db057feddb5,
  title = {Angular-Rate Estimation Using Delayed Quaternion Measurements},
  author = {Azor, R. and Bar-Itzhack, I. Y. and Harman, R. R.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/19990080931},
  note = {Source identifier: 19990080931}
}