@book { EthicsIdealsandIdeologiesintheHistoryofAdultEducation,
    title = "Ethics, Ideals and Ideologies in the History of Adult Education",
    author = "Balázs {Németh} and Franz {Pöggeler}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093324"
}