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\bibitem{Engel_etal2011} Engel, A., Aeschbacher, A., Inderbitzin, K., Schilling, A., Il{\textquoteright}in, K., Hofherr, M., et al. (2011). Tantalum nitride superconducting single-photon detectors with low cut-off energy. \textit{arXiv}, , 9.

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