ATLAS Collaboration, Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;
ATLAS Collaboration (2018). Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector. Physical Review D, (98), 092002. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2018-133.