@book { DieRichardWagnerSammlungderZentralbibliothekderUniversittsbibliothekBern,
    title = "Die Richard Wagner-Sammlung der Zentralbibliothek der Universitätsbibliothek Bern",
    author = "Hanspeter {Renggli-Zubler}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0596-4",
    url = "https://www.peterlang.com/document/1052114"
}