The fourth edition has been updated to include useful website addresses for manufacturers and suppliers of communication aids and publishers of assessments, and where to find useful information on the Internet for various conditions. Since dictionaries need to reflect changes in terminology, the text has been revised completely with older terms and older technology systems being removed to make way for new terms and new technology systems.
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Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.