Sicherheitsaspekte in rechnergesteuerten Kommunikationssystemen. - Helmut Lagger; Christian Müller-Schloer; Hans Unterberger (Elektron. Rechenanlagen, 1980)

Trapdoors in Knapsack Cryptosystems. - R. Eier; Helmut Lagger (EUROCRYPT, 1982)

Special feature vector coding and appropriate distance definition developed for a speech recognition system. - Bernhard R. Kämmerer; Wolfgang A. Küpper; Helmut Lagger (ICASSP, 1984)

A coarse phonetic knowledge source for template independent large vocabulary word recognition. - Helmut Lagger; Alex Waibel (ICASSP, 1985)

Large-vocabulary isolated word recognition with fast coarse time alignment. - Abdulmesih Aktas; Bernhard R. Kämmerer; Wolfgang A. Küpper; Helmut Lagger (ICASSP, 1986)

Infrastructure for Complex Systems - CAD Frameworks. - Felix Bretschneider; Helmut Lagger; B. Schulz (EUROCAST, 1989)

Knowledge Based Design Flow Management. - Felix Bretschneider; Christa Kopf; Helmut Lagger; Arding Hsu; Elizabeth Wei (ICCAD, 1990)

Design flow modeling and knowledge-based management. - Felix Bretschneider; Helmut Lagger (Appl. Artif. Intell., 1992)