@book{Schleicher2020,
  author    = {Schleicher, Hans-Georg},
  title     = {Doppelte Zeitenwende},
  publisher = {Welttrends},
  address   = {Potsdam},
  isbn      = {978-3-947802-53-1},
  pages     = {227},
  year      = {2020},
  language  = {de}
}