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\bibitem{Lindgren_etal1994} Lindgren, M., Trifonov, V., Zorin, M., Danerud, M., Winkler, D., Karasik, B. S., et al. (1994). Transient resistive photoresponse of YBa$_{2}$Cu$_{3}$O$_{7-δ}$ films using low power 0.8 and 10.6 μm laser radiation. \textit{Appl. Phys. Lett.}, \textit{64}(22), 3036--3038.

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