TY  - JOUR
AU  - Scott Diddams
AU  - James Bergquist
AU  - Steven Jefferts
AU  - Christopher Oates
C2  - Science
DA  - 2004-11-19 00:11:00
LA  - en
M1  - 306
PB  - Science
PY  - 2004
TI  - Standards of time and frequency at the outset of the 21st century
UR  - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50063
ER  -