Multi-lepton signatures of vector-like leptons with flavor - DO-TH 20/12Stefan Bißmann, Gudrun Hiller, Clara Hormigos-Feliu and Daniel F. LitimEur. Phys. J. C, 81 2 (2021) 101DOI: https://doi.org/10.1140/epjc/s10052-021-08886-3