By Horstmann Heidi   Levine Simon   in Augmentative & Alternative Communication

ISSN:0743-4618|8|2|92-97

Informa Healthcare‎(1992)‎

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By Horstmann Heidi   Levine Simon   in Augmentative & Alternative Communication

ISSN:0743-4618|6|4|231-241

Informa Healthcare‎(1990)‎

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By Koester Heidi Horstmann   Levine Simon   in Augmentative & Alternative Communication

ISSN:0743-4618|13|4|239-257

Informa Healthcare‎(1997)‎

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By Koester Heidi Horstmann   Levine Simon   in Augmentative & Alternative Communication

ISSN:0743-4618|12|3|155-168

Informa Healthcare‎(1996)‎

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By Koester Heidi Horstmann   Levine Simon   in Augmentative & Alternative Communication

ISSN:0743-4618|14|1|25-36

Informa Healthcare‎(1998)‎

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By Levine Simon   Gauger John   Bowers Lisa   Khan Karen   in Augmentative & Alternative Communication

ISSN:0743-4618|2|2|51-55

Informa Healthcare‎(1986)‎

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