TY - CONF AU - Itano, Wayne AU - Bergquist, James AU - Rosenband, Till AU - Wineland, David AU - Hume, David AU - Chou, Chin-Wen AU - Jefferts, Steven AU - Heavner, Thomas AU - Parker, Tom AU - Diddams, Scott AU - Fortier, Tara C2 - Proc. 2009 ICOLS Conference, Hokkaido, JP DA - 2009-06-08 00:06:00 LA - en PB - Proc. 2009 ICOLS Conference, Hokkaido, JP PY - 2009 TI - Frequency Measurements of Al+ and Hg+ Optical Standards UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=903328 ER -