ATLAS Collaboration, Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;
ATLAS Collaboration (2018). Combination of the searches for pair-produced vector-like partners of the third-generation quarks at $\sqrt{s} =$ 13 TeV with the ATLAS detector. Physical Review Letters, (121), 211801. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2018-205.