Communication for the speechless: an introduction tononvocal communication systems for the ...
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Englewood Cliffs
Prentice-Hall
1980
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| Physical Description: | x, 291 p.; bib.; ill.; ind.; 23 cm |
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| ISBN: | 0131533614 |