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\bibitem{Goltsman_etal1991} Gol{\textquoteright}tsman, G. N., Semenov, A. D., Gousev, Y. P., Zorin, M. A., Gogidze, I. G., Gershenzon, E. M., et al. (1991). Sensitive picosecond NbN detector for radiation from millimetre wavelengths to visible light. \textit{Supercond. Sci. Technol.}, \textit{4}(9), 453--456.

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