@book { BartholdFeindDasverwirrteHausJacob,
    title = "Barthold Feind: Das verwirrte Haus Jacob",
    author = "",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1070733"
}