SHIFT OF 2Sl/2 HYPERFINE SPLITTINGS DUE TO BLACKBODY RADIATION AND ITS INFLUENCE ON FREQUENCY STANDARDS W. M. Itano, L. L. Lewis et D. J. WinelandJ. Phys. Colloques, 42 C8 (1981) C8-283-C8-287DOI: https://doi.org/10.1051/jphyscol:1981835