@book { EinGeheimbundalsAkteurdesWandels,
    title = "Ein Geheimbund als Akteur des Wandels",
    author = "Annette {Knecht}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103237"
}