TY  - RPRT
TI  - The Gravity-Probe-B relativity gyroscope experiment - An update on progress
AU  - Parkinson, Bradford W.
AU  - Everitt, C. W. Francis
AU  - Turneaure, John P.
PY  - 1987
UR  - https://ntrs.nasa.gov/citations/19880047899
ID  - 19880047899
ER  -