A LOGIC-ORIENTED ATN Grammar Knowledge as Part of the System's Knowledge. - Helmar Gust; Carola Reddig (COLING, 1982)

Combining Deictic Gestures and Natural Language for Referent Identification. - Alfred Kobsa; Jürgen Allgayer; Carola Reddig; Norbert Reithinger; Dagmar Schmauks; Karin Harbusch; Wolfgang Wahlster (COLING, 1986)

Processing Description containing Words and Gestures -A System Architecture-. - Jürgen Allgayer; Carola Reddig (GWAI, 1986)

"3D" in NLP: Determiners, Descriptions, and the Dialog Memory in the XTRA Project. - Carola Reddig (GWAI, 1988)

Bidirectional Use of Knowledge in the Multi-modal NL Access System XTRA. - Jürgen Allgayer; Roman M. Jansen-Winkeln; Carola Reddig; Norbert Reithinger (IJCAI, 1989)

What KL-ONE Lookalikes Need to Cope with Natural Language: Scope and Aspect of Plural Noun Phrases. - Jürgen Allgayer; Carola Reddig-Siekmann (Sorts and Types in Artificial Intelligence, 1989)

XTRA: A Natural-Language Access System to Expert Systems. - Jürgen Allgayer; Karin Harbusch; Alfred Kobsa; Carola Reddig; Norbert Reithinger; Dagmar Schmauks (Int. J. Man Mach. Stud., 1989)

What's in a 'DET'? Steps towards Determiner-Dependent Inferencing. - Jürgen Allgayer; Carola Reddig (AIMSA, 1990)