Balázs Eszter: Art in action. Lajos Kassák's Avant-Garde Journals from A Tett to Dokumentum, 1915-1927 - The avant-garde and its journals 3. (Budapest, 2017)
/ From Machines to Images-Themes and Interpretations in Dokumentum
[28.] György Gerő, Film, Dokumentum, 1/2., 1927, 23., Budapest
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