@book { Kirchenliedinterdisziplinr,
    title = "Kirchenlied interdisziplinär",
    author = "Hermann {Kurzke} and Hermann {Ühlein}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093036"
}