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\bibitem{Johnson_etal2010} Johnson, B. R., Reed, M. D., Houck, A. A., Schuster, D. I., Bishop, L. S., Ginossar, E., et al. (2010). Quantum non-demolition detection of single microwave photons in a circuit. \textit{Nat. Phys.}, \textit{6}(9), 663--667.

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