Dialoge zur Informationsgewinnung. Ein Modell ihrer Pragmatik. - Stefan Sitter; Adelheit Stein (ISI, 1990)

Rhetorical Relations in a Model of Information-Seeking Dialogues. - Stefan Sitter; Elisabeth Maier (ECAI, 1992)

Modelling the Illocutionary Aspects of Information-Seeking Dialogues. - Stefan Sitter; Adelheit Stein (Inf. Process. Manag., 1992)