@book { LajosKasskWienundderKonstruktivismus19201926,
    title = "Lajos Kassák, Wien und der Konstruktivismus 1920-1926",
    author = "Zoltán {Péter}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1136159"
}