Zur Charakterisierung von Dialogsprachen. - Ingbert Kupka (GI Jahrestagung, 1973)

Über die Syntax von Dialogsprachen. - Ingbert Kupka; N. Wilsing (Fachtagung über Programmiersprachen, 1974)

Van Wijngaarden Grammars as a Special Information Processing Model. - Ingbert Kupka (MFCS, 1980)

Kommunikation in Mensch-Rechner-Dialogen. - Ingbert Kupka; Susanne Maaß; Horst Oberquelle (GI Jahrestagung, 1982)

A View of Human-Machine Communication and Co-Operation. - Horst Oberquelle; Ingbert Kupka; Susanne Maaß (Int. J. Man Mach. Stud., 1983)

Unique Fixpoints in Complete Lattices with Applications to Formal Languages and Semantics. - Ingbert Kupka (Foundations of Computer Science: Potential - Theory - Cognition, 1997)