@book { AdolfKozlikEinsozialistischerkonomEmigrantundRebell,
    title = "Adolf Kozlik- Ein sozialistischer Ökonom, Emigrant und Rebell",
    author = "Gottfried {Fritzl}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097948"
}