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\bibitem{CDFCollaborationAaltonen_etal2010} CDF Collaboration(Aaltonen, T. et al), Cabrera, S., \& Cuenca Almenar, C. (2010). Study of multi-muon events produced in p (p)over-bar interactions at root s=1.96 TeV. \textit{Eur. Phys. J. C}, \textit{68}(1-2), 109--118.

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