@book { DiegesellschaftlicheGerichtsbarkeitinOsteuropa,
    title = "Die gesellschaftliche Gerichtsbarkeit in Osteuropa",
    author = "Walter {Knüsli}",
    year = "1979",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1070677"
}