@article{NeesKupferHofmannetal.2020,
  author    = {Samuel Nees and Thomas Kupfer and Alexander Hofmann and Holger Braunschweig},
  title     = {Planar Cyclopenten-4-yl Cations: Highly Delocalized π Aromatics Stabilized by Hyperconjugation},
  journal   = {Angewandte Chemie International Edition},
  volume    = {59},
  number    = {42},
  pages     = {18809 -- 18815},
  doi       = {10.1002/anie.202009644},
  year      = {2020},
}