M. Marschollek, K. Wolf, O. Bott, M. Geisler, M. Plischke, W. Ludwig, A. Hornberger, and R. Haux. Proceedings of the 12th World Congress on Health (Medical) Informatics
-- Building Sustainable Health Systems. MEDINFO2007, 20.-24.08.2007,
Brisbane, Australia, volume 129 of Stud Health Technol Inform, page 8--12. Amsterdam, IOS Press, (August 2007)
B. Song, M. Marschollek, K. Wolf, M. Gietzelt, T. Franken, and R. Haux. MEDINFO 2010 - Proceedings of the 13th World Congress on Medical
Informatics, volume 160 of Stud Health Technol Inform, page 48--52. Amsterdam, IOS Press, (2010)