@book { KodifikationinEuropa,
    title = "Kodifikation in Europa",
    author = "Arnd {Koch} and Matthias {Rossi}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02085-4",
    url = "https://www.peterlang.com/document/1044642"
}