TY  - RPRT
TI  - Cryogenic star-tracking telescope for Gravity Probe B
AU  - Everitt, C. W. F.
AU  - Van Patten, R. A.
AU  - Davidson, D. E.
PY  - 1986
UR  - https://ntrs.nasa.gov/citations/19870039389
ID  - 19870039389
ER  -