@book { RckblickundErneuerung,
    title = "Rückblick und Erneuerung",
    subtitle = "Bachs Fuge in Klaviermusik von Reger, Busoni und Hindemith",
    author = "Julie {Ra}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095669"
}