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\bibitem{ATLASCollaborationAaboud_etal2019} ATLAS Collaboration(Aaboud, M. et al), Alvarez Piqueras, D., Aparisi Pozo, J. A., Bailey, A. J., Barranco Navarro, L., Cabrera Urban, S., et al. (2019). Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions with the ATLAS detector. \textit{J. High Energy Phys.}, \textit{04}(4), 048--50pp.

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