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\bibitem{ATLASCollaborationAaboud_etal2017} ATLAS Collaboration(Aaboud, M. et al), Alvarez Piqueras, D., Barranco Navarro, L., Cabrera Urban, S., Castillo Gimenez, V., Cerda Alberich, L., et al. (2017). Measurements of top quark spin observables in tt events using dilepton final states in root s=8 TeV pp collisions with the ATLAS detector. \textit{J. High Energy Phys.}, \textit{03}(3), 113--50pp.

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