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\bibitem{DELPHICollaborationAbdallah_etal2010} DELPHI Collaboration(Abdallah, J. et al), Costa, M. J., Ferrer, A., Fuster, J., Garcia, C., Oyanguren, A., et al. (2010). Study of the dependence of direct soft photon production on the jet characteristics in hadronic Z (0) decays. \textit{Eur. Phys. J. C}, \textit{67}(3-4), 343--366.

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