@book { MinderjhrigeindenMedien,
    title = "Minderjährige in den Medien",
    author = "Ruth {Baumann}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15558",
    url = "https://www.peterlang.com/document/1058028"
}