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\bibitem{ATLASCollaborationAad_etal2021} ATLAS Collaboration(Aad, G. et al), Aparisi Pozo, J. A., Bailey, A. J., Cabrera Urban, S., Cardillo, F., Castillo, F. L., et al. (2021). Measurements of the inclusive and differential production cross sections of a top-quark-antiquark pair in association with a Z boson at root s=13 TeV with the ATLAS detector. \textit{Eur. Phys. J. C}, \textit{81}(8), 737--43pp.

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