Zur Ermittlung gekrümmter Oberflächen bewegter Objekte aus Bildfolgen. - Harald Westphal; Hans-Hellmut Nagel (DAGM-Symposium, 1981)

Modellierung bewegter konkaver Körper. - Harald Westphal (DAGM-Symposium, 1984)

Dreidimensionale Modellierung bewegter Objekte und Ausnutzung von Helligkeitsveränderungen zur Formbestimmung. - Harald Westphal (1984)

Eine Beurteilung paralleler Modelle für Prolog. - Harald Westphal (GI Jahrestagung (1), 1986)

Toward the derivation of three-dimensional descriptions from image sequences for nonconvex moving objects. - Harald Westphal; Hans-Hellmut Nagel (Comput. Vis. Graph. Image Process., 1986)

The PEPSys Model: Combining Backtracking, AND- and OR-Parallelism. - Harald Westphal; Philippe Robert; Jacques Chassin de Kergommeaux; Jean-Claude Syre (SLP, 1987)

Exploiting reflectance properties to analyze images of moving objects needs local constraints. - Harald Westphal; Hans-Hellmut Nagel (Comput. Vis. Graph. Image Process., 1987)

Implementation of a Parallel Prolog System on a Commercial Multiprocessor. - Jacques Chassin de Kergommeaux; Jean-Claude Syre; Harald Westphal (ECAI, 1988)

The Parallel ECRC Prolog System PEPSys: An Overview and Evaluation Results. - Uri Baron; Jacques Chassin de Kergommeaux; Max Hailperin; Michael Ratcliffe; Philippe Robert; Jean-Claude Syre; Harald Westphal (FGCS, 1988)