Hasegawa, A.
, Fukuda, K.
, Kotake, N.
, Kajita, M.
, Morikawa, T.
, Lee, W.
, Nelson, C.
, Jennings, D.
, Mullen, L.
and Shirley, J.
(1998),
CRL-NIST Joint Development of an Improved Optically Pumped Primary Frequency Standard, 1998 Intl. Freq. Cont. Symp , Pasadena, CA, USA
(Accessed October 12, 2024)