@book { FrsorgeinderDDR,
    title = "Fürsorge in der DDR",
    author = "Bernadette {Feind-Wahlicht} and Peggy {Tippel} and Thomas {Brose}",
    year = "2023",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b20816",
    url = "https://www.peterlang.com/document/1391008"
}