@book { MusiktheorieundmusikalischePraxis,
    title = "Musiktheorie und musikalische Praxis",
    subtitle = "Gesammelte Aufsätze",
    author = "",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1096926"
}