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Optophone design : optical-to-auditory vision substitution for the blind.

Thesis (Ph. D.)--Open University. BLDSC no. DX179937.

  1. http://ethos.bl.uk/
Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/496963129
Date January 1994
CreatorsO'Hea, Adrian Ralph.
Publishern.p.,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish
SourceOnline version via the British Library Ethos service. Registration required on first visit.

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