@book { StaatundKriegimaltenBnden,
    title = "Staat und Krieg im alten Bünden",
    author = "Christian {Padrutt}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1069266"
}