@book { Abendmahlheute,
    title = "Abendmahl heute",
    author = "Wolfgang Erich {Müller} and Enno {Konukiewitz}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093191"
}