File:Automatic production of spoken information material for the blind, picture 2 (1979).jpg
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Size of this preview: 800 × 443 pixels. Other resolutions: 320 × 177 pixels | 640 × 355 pixels | 1,024 × 567 pixels | 1,280 × 709 pixels | 2,560 × 1,418 pixels | 7,918 × 4,386 pixels.
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