O. Sommer, A. Dietz, R. Westermann, and T. Ertl. WSCG '98 - The Sixth International Conference in Central Europe on Computer Graphics and Visualization, (1998)
A. Hub, T. Hartter, and T. Ertl. Proceedings of the California State University, Northridge Center on Disabilities' 21st Annual International Technology and Persons with Disabilities Conference (CSUN 2006); March 20-25; Los Angeles, CA, USA, (2006)
M. Eissele, O. Siemoneit, and T. Ertl. Proceedings of the IEEE International Conference on Cybernetics & Intelligent Systems and Robotics, Automation & Mechatronics (RAM 2006), (2006)
A. Hub, S. Kombrink, and T. Ertl. Proceedings of the 1st Multi-disciplinary Vision Rehabilitation and Research Conference ENVISION 06; September 21-24; Kansas City, MO, USA, (2006)
A. Hub, S. Kombrink, and T. Ertl. Proceedings of the 1st Multi-disciplinary Vision Rehabilitation and Research Conference ENVISION 06; September 21-24; Kansas City, MO, USA, (2006)
A. Hub, S. Kombrink, K. Bosse, and T. Ertl. Proceedings of the California State University, Northridge Center on Disabilities' 22nd Annual International Technology and Persons with Disabilities Conference (CSUN 2007); March 19-24; Los Angeles, CA, USA, (2007)