TY  - RPRT
TI  - Improved accuracies for satellite tracking
AU  - Kammeyer, P. C.
AU  - Fiala, A. D.
AU  - Seidelmann, P. K.
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/19920004868
ID  - 19920004868
ER  -