WarGames - Wikipedia
Videotape Format War: Format War, Video Cassette Recorders, Video Cassette Recording, Capacitance Electronic Disc, Video High Density : Surhone, Lambert M., Timpledon, Miriam T., Marseken, Susan F.: : Libros
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Betamax vs VHS: The Story of the First Format War, by Jamie Logie, The Startup