TY  - CONF
AU  - Robert Drullinger
C2  - 2001 Precise Time and Time Interval , Long Beach, CA
DA  - 2001-01-01
LA  - en
PB  - 2001 Precise Time and Time Interval , Long Beach, CA
PY  - 2001
TI  - Primary Frequency Standards at NIST
ER  -