@book { SchweizerJahrbuchfrMusikwissenschaftAnnalesSuissesdeMusicologieAnnuarioSvizzerodiMusicologia,
    title = "Schweizer Jahrbuch für Musikwissenschaft- Annales Suisses de Musicologie- Annuario Svizzero di Musicologia",
    subtitle = "Neue Folge / Nouvelle Série / Nuova Serie- 23 (2003)",
    author = "Christoph {Ballmer}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1096958"
}