TY  - RPRT
TI  - Spacecraft drag-free technology development: On-board estimation and control synthesis
AU  - Key, R. W.
AU  - Mettler, E.
AU  - Milman, M. H.
AU  - Schaechter, D. B.
PY  - 1982
UR  - https://ntrs.nasa.gov/citations/19820021476
ID  - 19820021476
ER  -