TY  - RPRT
TI  - Kalman filtering for spacecraft attitude estimation
AU  - Lefferts, E. J.
AU  - Markley, F. L.
AU  - Shuster, M. D.
PY  - 1982
UR  - https://ntrs.nasa.gov/citations/19820034231
ID  - 19820034231
ER  -