References
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Liard, C., Burger, D. andRoux, G. (1987) A portable terminal for the blind based on an audio-tactile display. Proc. of 9th Ann. Conf. IEEE Engineering in Medicine & Biology Society, Boston, Massachusetts, 13th–16th Nov. 1956–1957.
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Burger, D., Liard, C. Alphanumerical display module for blind people. Med. Biol. Eng. Comput. 27, 327–329 (1989). https://doi.org/10.1007/BF02441494
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DOI: https://doi.org/10.1007/BF02441494