@book { InternationalisierungimdeutschenGesundheitswesen,
    title = "Internationalisierung im deutschen Gesundheitswesen",
    author = "Alexander {Kostrzewski}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108309"
}