@book { SchulmusikeinStudiumimUmbruch,
    title = "Schulmusik – ein Studium im Umbruch",
    author = "Werner {Jank}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1100803"
}