TY  - RPRT
TI  - Application of Encke's method to long arc orbit determination solutions
AU  - Lundberg, J. B.
AU  - Schutz, B. E.
AU  - Fields, R. K.
AU  - Watkins, M. M.
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/19910054806
ID  - 19910054806
ER  -