@misc{indiciae66c7ef7baae3,
  title = {Nonlinear Attitude Filtering Methods},
  author = {Markley, F. Landis and Crassidis, John L. and Cheng, Yang},
  year = {2005},
  url = {https://ntrs.nasa.gov/citations/20050180322},
  note = {Source identifier: 20050180322}
}