Fünfzig, Christoph and Ullrich, Torsten and Fellner, Dieter W. and Bachelder, Edward N. (2009):
Terrain and Model Queries Using Scalar Representations with Wavelet Compression.
In: IEEE Transactions on Instrumentation and Measurement, 58 (9), pp. 3086-3093. [Article]

Ullrich, Torsten and Settgast, Volker and Krispel, Ulrich and Fünfzig, Christoph and Fellner, Dieter W. (2007):
Distance Calculation between a Point and a Subdivision Surface.
pp. 161-169, Max Planck Institut für Informatik, Saarbrücken, Vision, Modeling, and Visualization 2007. Proceedings, [Conference or Workshop Item]

Fünfzig, Christoph and Ullrich, Torsten and Fellner, Dieter W. and Bachelder, Edward N. (2007):
Empirical Comparison of Data Structures for Line-Of-Sight Computation.
p. 6, IEEE Service Center, Piscataway, NJ, IEEE International Symposium on Intelligent Signal Processing, [Conference or Workshop Item]

Ullrich, Torsten and Fünfzig, Christoph and Fellner, Dieter W. (2007):
Two Different Views on Collision Detection.
In: IEEE Potentials, 26 (1), pp. 26-30. [Article]