TY  - JOUR
AU  - Wilpers, G
AU  - Oates, Christopher
AU  - Diddams, Scott
AU  - Bartels, A
AU  - Fortier, Tara
AU  - Oskay, Windell
AU  - Bergquist, James
AU  - Jefferts, Steven
AU  - Heavner, Thomas
AU  - Parker, Thomas
AU  - Hollberg, Leo
C2  - Metrologia
DA  - 2007-03-14
LA  - en
M1  - 44
PB  - Metrologia
PY  - 2007
TI  - Absolute frequency measurement of the neutral <sup>40</sup>Ca optical frequency standard at 657 nm based on microkelvin atoms
UR  - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50474
ER  -