@book { ZwischenBarmherzigkeitundDienstleistung,
    title = "Zwischen Barmherzigkeit und Dienstleistung",
    author = "Kathrin {Zumkley}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b16850",
    url = "https://www.peterlang.com/document/1111376"
}