TY - RPRT TI - Shuttle time and frequency transfer experiment AU - Allan, D. W. AU - Alley, C. O. AU - Decher, R. AU - Vessot, R. F. C. AU - Winkler, G. M. R. PY - 1980 UR - https://ntrs.nasa.gov/citations/19800021841 ID - 19800021841 ER -