@article{SłapikŁuczkaHaenggietal.2019,
  author    = {A. Słapik and Jerzy Łuczka and Peter H{\"a}nggi and Jakub Spiechowicz},
  title     = {Tunable mass separation via negative mobility},
  journal   = {Physical Review Letters},
  volume    = {122},
  number    = {7},
  pages     = {070602},
  doi       = {10.1103/physrevlett.122.070602},
  year      = {2019},
}