Frech, B.
, Wells, J.
, Oates, C.
, Mitchell, J.
, Hollberg, L.
, Lan, Y.
, Kurosu, T.
, Zink, L.
, Young, B.
and Bergquist, J.
(1999),
Sub Systems for Optical Frequency Measurements: Application to the 282 NM <sup>1</sup>99Hg<sup>+</sup>, 13^uth^ European Frequency and Time Forum and 1999 IEEE Int. Freq. Cont. Symp. , Besan{c-cedilla}on, 1, FR, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=105232
(Accessed December 21, 2024)