@book { AlleswasististRecht,
    title = "«Alles, was ist, ist Recht»",
    subtitle = "Festschrift zum 60. Geburtstag von Lutz Simon",
    author = "Mathias {Eichhorn}",
    year = "2001",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1091310"
}