@article{KellerMuenchPogorzelski2016,
  author    = {Matthias Keller and Florentin M{\"u}nch and Felix Pogorzelski},
  title     = {Geometry and spectrum of rapidly branching graphs},
  journal   = {Mathematische Nachrichten},
  volume    = {289},
  pages     = {1636 -- 1647},
  doi       = {10.1002/mana.201400349},
  year      = {2016},
}