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\bibitem{Gomez-Cadenas_etal2011} Gomez-Cadenas, J. J., Martin-Albo, J., Sorel, M., Ferrario, P., Monrabal, F., Mu{\~n}oz, J., et al. (2011). Sense and sensitivity of double beta decay experiments. \textit{J. Cosmol. Astropart. Phys.}, \textit{06}(6), 007--30pp.

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