TY  - JOUR
AU  - James Bergquist
AU  - Steven Jefferts
AU  - David Wineland
C2  - Physics Today
DA  - 2001-03-01
LA  - en
M1  - 54
PB  - Physics Today
PY  - 2001
TI  - Time Measurement at the Millennium
UR  - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=105140
ER  -