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\bibitem{NOMADCollaborationKullenberg_etal2012} NOMAD Collaboration(Kullenberg, C. T. et al), Cervera-Villanueva, A., \& Gomez-Cadenas, J. J. (2012). A search for single photon events in neutrino interactions. \textit{Phys. Lett. B}, \textit{706}(4-5), 268--275.

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