Gürbüz, S., Adıgüzel, A., Özcan, V.E., "Evidence for tt<overbar></mml:mover>tt<mml:mo stretchy="false"><overbar></mml:mover> production in the multilepton final state in proton-proton collisions at <mml:msqrt>s</mml:msqrt><mml:mo>=13 TeV with the ATLAS detector", European Physical Journal C, 80, 11, 2020.