G. Aad, B. Abbott, D. C. Abbott, A. Abud, B. Ali, K. Augsten, B. Bergmann, T. Billoud, M. Havránek, Z. Hubáček et al.: Search for new phenomena in three- or four-lepton events in pp collisions at root s=13 TeV with the ATLAS detector. Physics Letters B 824, 136832 (2022). doi:10.1016/j.physletb.2021.136832