@book { MusikalischerRhythmusundOszillation,
    title = "Musikalischer Rhythmus und Oszillation",
    author = "Jörg {Langner}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093517"
}