@book { StatusrelevanteErklrungendesFamilienrechts,
    title = "Statusrelevante Erklärungen des Familienrechts",
    author = "Jessica {Kriewald}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106597"
}