@book { EinbrderlichesVolk,
    title = "Ein brüderliches Volk",
    author = "Johanna {Friedl}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b18174",
    url = "https://www.peterlang.com/document/1111728"
}