Karshenboim, Savely G. Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;
Karshenboim, S. G. (2008). New recommended values of the fundamental physical constants (CODATA 2006). Physics-Uspekhi, 51(10), 1019-1026. doi:10.1070/PU2008v051n10ABEH006668.