Heftberger, Adelheid. “Propaganda in Motion. Dziga Vertov`s and Aleksandr Medvedkin`s Film Trains and Agit Steamers of the 1920s and 1930s”. Apparatus. Film, Media and Digital Cultures of Central and Eastern Europe, no. 1, Sept. 2015, doi:10.17892/app.2015.0001.2.