@book { VerdisWelten, title = "Verdis Welten", subtitle = "Neuinterpretation der Werke im Spiegel der Tonarten", author = "Peter {Gisi}", year = "2013", publisher = "Peter Lang Verlag", address = "Lausanne, Switzerland", doi = "10.3726/978-3-0351-0542-1", url = "https://www.peterlang.com/document/1052908" }