TY  - RPRT
TI  - A versatile Kalman technique for aircraft or missile state estimation and error analysis using radar tracking data.
AU  - Aldrich, G. T.
AU  - Krabill, W. B.
PY  - 1972
UR  - https://ntrs.nasa.gov/citations/19720055423
ID  - 19720055423
ER  -