Zhang, C.
, Ooi, T.
, Higgins, J.
, Doyle, J.
, von der Wense, L.
, Beeks, K.
, Li, P.
, Thirolf, P.
, Schumm, T.
and Ye, J.
(2024),
Dawn of a nuclear clock: frequency ratio of the <sup>229m</sup>Th isomeric transition and the <sup>87</sup>Sr atomic clock, Nature
(Accessed December 12, 2024)