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\bibitem{Knee_etal2012} Knee, G. C., Simmons, S., Gauger, E. M., Morton, J. J. L., Riemann, H., Abrosimov, N. V., et al. (2012). Violation of a Leggett{\textendash}Garg inequality with ideal non-invasive measurements. \textit{Nat. Comm.}, \textit{3}(606), 6.

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