title: Perspective: Time scales and clocks: "Invited review article: The statistical modeling of atomic clocks and the design of time scales" [Rev. Sci. Instrum. 83, 021101 (2012)] and "Invited review article: The uncertainty in the realization and dissemination of the SI second from a systems point of view" [Rev. Sci. Instrum. 83, 021102 (2012)].
authors.affiliation: International Bureau of Weights and Measures, Time Department Pavillon de Breteuil, 92310 Sévres, France.
authors.forename: Elisa Felicitas
authors.initials: EF
authors.lastname: Arias