Kitching, J.
, Knappe, S.
, Liew, L.
, Moreland, J.
, Robinson, H.
, Schwindt, P.
, Shah, V.
and Hollberg, L.
(2005),
Microfabricated atomic frequency references, Proc., European Frequency and Time Forum, , USA, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50005
(Accessed September 20, 2024)