1. Timescales at the BIPM
2. Establishment of International Atomic Time[J];guinot;BIPM Annual Report of the time Section,1988
3. my country has the “voting right” in international standard time - my country's cesium atomic fountain clock is allowed to participate in the steering of international standard time[J];xu-hong;China Metrology,2014
4. A cesium fountain frequency standard: preliminary results
5. Comparison and discussion of four criteria for judging gross error[J];hai-xia;College Physics Experiment,2017