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\bibitem{Carrio_etal2011} Carrio, F., Castillo Gimenez, V., Ferrer, A., Gonzalez, V., Higon-Rodriguez, E., Marin, C., et al. (2011). Optical Link Card Design for the Phase II Upgrade of TileCal Experiment. \textit{IEEE Trans. Nucl. Sci.}, \textit{58}(4), 1657--1663.

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