@book { BeethovensKlaviersatzTechnikundStilistik,
    title = "Beethovens Klaviersatz – Technik und Stilistik",
    author = "Andreas {Rücker}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093798"
}