TY  - RPRT
TI  - An orbiting clock experiment to determine the gravitational red shift
AU  - Kleppner, D.
AU  - Ramsey, N. F.
AU  - Vessot, R. F. C.
PY  - 1970
UR  - https://ntrs.nasa.gov/citations/19700045834
ID  - 19700045834
ER  -