@book { Medienorte,
    title = "Medienorte",
    author = "Judith {Kretzschmar} and Markus {Schubert} and Sebastian {Stoppe}",
    year = "2021",
    publisher = "Meidenbauer",
    address = ", Germany",
    url = "https://www.peterlang.com/document/1108788"
}