@incollection{Fitzi2019,
  author    = {Gregor Fitzi},
  title     = {Introduction},
  booktitle = {Populism and the crisis of democracy. Volume 2. Politics, social movements and extremism},
  series    = {political populism as a symptom of the great transformation of democracy},
  isbn      = {978-1-138-09137-5},
  year      = {2019},
}