Audio
Corporation, Zenith. 1971. “Track From The Getting Trough Album By The Zenith Radio Corporation”. https://www.youtube.com/watch?v=9vqY7cJpwRs&t=16s.
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Scherchen, Herrmann. n.d. “Anwendung Elektroakustischer Musik Für Den Film Von Oskar Sala - Side A”.
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Scherchen, Herrmann. n.d. “Nachhallexperimente Des Holländischen Staatsradios - Side B”.
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Corporation, Zenith. 1971. “How To Select A Hearing Aid”. https://www.youtube.com/watch?v=9vqY7cJpwRs&t=16s.
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Corporation, Zenith. 1971. “Introduction”. https://www.youtube.com/watch?v=9vqY7cJpwRs&t=16s.