TY  - GEN
AU  - Beehler, Roger E
AU  - Beehler, Roger E
AU  - Lombardi, Michael A
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1991-01-01 05:01:00
DO  - https://doi.org/10.6028/NIST.SP.432e1991
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1991
TI  - NIST time and frequency services:
ER  -