@misc{indiciae1f44ad5f07ea,
  title = {Efficient and Optimal Attitude Determination Using Recursive Global Positioning System Signal Operations},
  author = {Crassidis, John L. and Lightsey, E. Glenn and Markley, F. Landis},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/19980237947},
  note = {Source identifier: 19980237947}
}