19 |
Sign language research and application : [proceedings of the International Congress on Sign Language Research and Application, March 23 - 25, 1990 in Hamburg]
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BLLDB
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UB Frankfurt Linguistik
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20 |
Current trends in European sign language research : proceedings of the third European Congress on Sign Language Research ; Hamburg July 16 - 29, 1989
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UB Frankfurt Linguistik
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