An Associative-Categorical Model of Word Meaning. - Robert M. Haralick; Knut Ripken (Artif. Intell., 1975)

MUG1 - an incremental compiler-compiler. - Harald Ganzinger; Knut Ripken; Reinhard Wilhelm (ACM Annual Conference, 1976)

Design Evaluation of the Compiler Generating System MUGI. - Reinhard Wilhelm; Knut Ripken; Joachim Ciesinger; Harald Ganzinger; Walter Lahner; R. Nollmann (ICSE, 1976)

Automatic Generation of Optimizing Multipass Compilers. - Harald Ganzinger; Knut Ripken; Reinhard Wilhelm (IFIP Congress, 1977)

Application of Meta-Compilation Methods in the Ada Test Translator Development. - Knut Ripken (GI Jahrestagung, 1980)

Operator identification in ADA: formal specification, complexity, and concrete implementation. - Harald Ganzinger; Knut Ripken (ACM SIGPLAN Notices, 1980)

Ada syntax diagrams for top-down analysis. - Rafael Bonet; Antonio Kung; Knut Ripken; Robert K. Yates; Manfred Sommer 001; Jürgen Winkler (ACM SIGPLAN Notices, 1981)

Eine umfassende Entwicklungsumgebung für große Programmsysteme (eingeladener Vortrag). - Knut Ripken (Software-Entwicklung, 1989)