TY  - RPRT
TI  - Efficient On-Orbit Singularity-Free Geopotential Estimation
AU  - Amert, Joel
AU  - Anzalone, Evan
AU  - Oliver, T. Emerson
PY  - 2019
UR  - https://ntrs.nasa.gov/citations/20190002110
ID  - 20190002110
ER  -