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\bibitem{Gomez-Cadenas_etal2012} Gomez-Cadenas, J. J., Guinea, F., Fogler, M. M., Katsnelson, M. I., Martin-Albo, J., Monrabal, F., et al. (2012). GraXe, graphene and xenon for neutrinoless double beta decay searches. \textit{J. Cosmol. Astropart. Phys.}, \textit{02}(2), 037--17pp.

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