Modelling of Distributed Business Processes. - Hans Grabowski; Torsten Engel (ICEIMT, 2002)

Steps in Enterprise Modelling. - Ioannis L. Kotsiopoulos; Torsten Engel; Frank-Walter Jaekel; Kurt Kosanke; Juan Carlos Mendez Barreiro; Ángel Ortiz Bas; Michaël Petit; Patric Raynaud (ICEIMT, 2002)

A Model of Maintainability - Suggestion for Future Research. - Mira Kajko-Mattsson; Gerardo Canfora; Dan Chiorean; Arie van Deursen; Tuomas Ihme; Meir M. Lehman; Rupert Reiger; Torsten Engel; Josef Wernke (Software Engineering Research and Practice, 2006)