@book { DieVitadesJosefBusny,
    title = "Die Vita des Josef Busnāyā",
    author = "Ralph {Barczok}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17714",
    url = "https://www.peterlang.com/document/1111695"
}