@book { WerhatdasRechtzurrechtlichenVaterschaft,
    title = "Wer hat das Recht zur rechtlichen Vaterschaft?",
    author = "Sandra {Schröder}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05802-4",
    url = "https://www.peterlang.com/document/1049541"
}