Cooling in an optical lattice for a caesium fountain frequency standard. - Witold Chalupczak; Krzysztof Szymaniec; Dale Henderson (IEEE Trans. Instrum. Meas., 2005)

Primary Frequency Standard NPL-CsF2: Optimized Operation Near the Collisional Shift Cancellation Point. - Krzysztof Szymaniec; Sang Eon Park (IEEE Trans. Instrum. Meas., 2011)