Normal Computation for Discrete Surfaces in 3D Space. - Grit Thürmer; Charles Albert Wüthrich (Comput. Graph. Forum, 1997)

Varying Neighborhood Parameters for the Computation of Normals on Surfaces in Discrete Space. - Grit Thürmer; Charles Albert Wüthrich (Computer Graphics International, 1998)

Computing Vertex Normals from Polygonal Facets. - Grit Thürmer; Charles Albert Wüthrich (J. Graphics, GPU, & Game Tools, 1998)

Determining Visible Points in a Three-Dimensional Discrete Space. - Grit Thürmer; Arnault Pousset; Achille J.-P. Braquelaire (DGCI, 2000)

Smoothing Normal Vectors on Discrete Surfaces While Preserving Slope Discontinuities. - Grit Thürmer (Comput. Graph. Forum, 2001)

Curves in Zn. - Grit Thürmer (DGCI, 2002)

A System for Modelling in Three-Dimensional Discrete Space. - Andreas Emmerling; Kristian Hildebrand; Jörg Hoffmann 002; Przemyslaw Musialski; Grit Thürmer (DGCI, 2003)

Closed curves in n-dimensional discrete space. - Grit Thürmer (Graph. Model., 2003)