1. I. M. Mills et al., “Redefinition of the kilogram: a decision whose time has come,” Metrologia, 42, 1–80 (2005).
2. I. M. Mills et al., “Redefinition of the kilogram, ampere, kelvin, and mole: a proposed approach to implementing the CIPM Recommendation 1 (CI-2005),” Metrologia, 43, 227–246 (2006).
3. S. A. Kononogov, Metrology and the Fundamental Constants of Physics, Standartinform, Moscow (2008).
4. Fifty Years on the Way to Quantum SI Units: Proc. Int. Symp., St. Petersburg (2010), http://physics.vniim.ru/SI50/ , accessed Jan. 24, 2014.
5. BIPM New SI: Discussion in the Scientific Literature, www.bipm.org/en/si/new_si/ , accessed March 24, 2014.