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\bibitem{Bernardoni_etal2014} Bernardoni, F., Blossier, B., Bulava, J., Della Morte, M., Fritzsch, P., Garron, N., et al. (2014). Decay constants of B-mesons from non-perturbative HQET with two light dynamical quarks. \textit{Phys. Lett. B}, \textit{735}, 349--356.

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