@book { DieHerrenvonHattstatt,
    title = "Die Herren von Hattstatt",
    author = "Veronika {Feller-Vest}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1071110"
}