How to Look Around a Corner. - Christian Icking; Rolf Klein; Lihong Ma 001 (CCCG, 1993)

Convex Distance Functions in 3-Space are Different. - Christian Icking; Rolf Klein; Ngoc-Minh Lê; Lihong Ma 001 (Fundam. Informaticae, 1995)

Wrapping ellipses around a convex skeleton. - Rolf Klein; Lihong Ma 001 (Int. J. Comput. Math., 1995)

On bisectors for convex distance functions in 3-space. - Christian Icking; Rolf Klein; Ngoc-Minh Lê; Lihong Ma 001; Francisco Santos (CCCG, 1999)

Smallest Color-Spanning Objects. - Manuel Abellanas; Ferran Hurtado; Christian Icking; Rolf Klein; Elmar Langetepe; Lihong Ma 001; Belén Palop; Vera Sacristán (ESA, 2001)

A tight bound for the complexity of voroni diagrams under polyhedral convex distance functions in 3D. - Christian Icking; Lihong Ma 001 (STOC, 2001)

On bisectors for different distance functions. - Christian Icking; Rolf Klein; Lihong Ma 001; Stefan Nickel; Ansgar Weißler (Discret. Appl. Math., 2001)

Java Applets for the Dynamic Visualization of Voronoi Diagrams. - Christian Icking; Rolf Klein; Peter Köllner; Lihong Ma 001 (Computer Science in Perspective, 2003)

Voronoi Diagram for services neighboring a highway. - Manuel Abellanas; Ferran Hurtado; Vera Sacristán; Christian Icking; Lihong Ma 001; Rolf Klein; Elmar Langetepe; Belén Palop (Inf. Process. Lett., 2003)

Self-Assessment mit High-Information Feedback. - Jörg M. Haake; Niels Seidel; Heike Karolyi; Lihong Ma 001 (DeLFI, 2020)