@article{Ganghof2018,
  author    = {Steffen Ganghof},
  title     = {A new political system model},
  journal   = {European Journal for Political Research},
  series    = {Semi-parliamentary government},
  volume    = {57},
  number    = {2},
  pages     = {261 -- 281},
  doi       = {10.1111/1475-6765.12224},
  year      = {2018},
}