@book { BeitragderMedienzumpolitischenErfolg,
    title = "Beitrag der Medien zum politischen Erfolg",
    author = "Daniela {Krumland}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097743"
}