@book { JudenundNichtjudenim16und17JahrhundertinPolen,
    title = "Juden und Nichtjuden im 16. und 17. Jahrhundert in Polen",
    author = " {Dieter Fettke}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1075527"
}