6Theory or Applications of Kalman Filtering. AD 704306,1970 : Chapter 1,2,5.
7Brown D C. The Error Model Best Estimation of Trajectory. AD 602799,1964. Chapter 1.
8Brown D C. The Error Model Best Estimation of Trajectory. AD 602799,1964. Chapter 1.
9Montenbruck,Gill E. Satellite Orbits - Models, Methods, and Applications[M].2000: 268-274, 297-299.
10Masters W C, Scheeres D J, Thurman S W . Enhanced Orbit Determination Filter: Inclusion of Ground System Errors as Filter Parameters. JPL TDA Progress Report, 1994, 42-116:37-41.