@book { WaltherinA,
    title = "Walther in A",
    author = "Carolin {Schuchert}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00317-8",
    url = "https://www.peterlang.com/document/1054304"
}