@book { ErwerbundnderungdesFamiliennamens,
    title = "Erwerb und Änderung des Familiennamens",
    author = "Elisabeth {Berger}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093211"
}