@book { BrgerlicheFamilienfesteimWandel,
    title = "Bürgerliche Familienfeste im Wandel",
    author = "Susan {Baumert}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04223-8",
    url = "https://www.peterlang.com/document/1048028"
}