@book { FreiheitundVerantwortung,
    title = "Freiheit und Verantwortung",
    author = "Piotr W. {Juchacz} and Roman {Kozlowski}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1094117"
}