TY  - GEN
AU  - Michael Lombardi
C2  - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD
DA  - 2001-01-01
LA  - en
PB  - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD
PY  - 2001
TI  - NIST Time and Frequency Services
ER  -