author- I. J. Medical Informatics 64(2-3):99-109 (2001)
- MobIS, volume 40 of LNI, page 21-41. GI, (2004)
- GMDS, page 156-160. MMV Medizin Verlag, (1994)
- MIE, volume 124 of Studies in Health Technology and Informatics, page 672-678. IOS Press, (2006)
- I. J. Medical Informatics 74(1):51-65 (2005)
- I. J. Medical Informatics 76(2-3):145-150 (2007)
- IDEAS-DH '04: Proceedings of the IDEAS Workshop on Medical Information Systems: The Digital Hospital, page 139--146. Washington, DC, USA, IEEE Computer Society, (2004)
- GMS Medizinische Informatik, Biometrie und Epidemiologie (2008)
- MoDELS Workshops, volume 5421 of Lecture Notes in Computer Science, page 213-226. Springer, (2008)
- IHIS, page 55-62. ACM, (2005)
- Eine Methode zur objektorientierten Modellierung medizinischer Wissensbanken OM2W MEDWIS-Projekt A4.GMDS, page 101-109. MMV Medizin Verlag, (1994)
- AIME, volume 934 of Lecture Notes in Computer Science, page 401-402. Springer, (1995)
- KI 11(3):25-26 (1997)
