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\bibitem{Smith_etal2012} Smith, D. H., Gillett, G., de Almeida, M. P., Branciard, C., Fedrizzi, A., Weinhold, T. J., et al. (2012). Conclusive quantum steering with superconducting transition-edge sensors. \textit{Nat. Comm.}, \textit{3}(625), 6.

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