1. (1) J. Zhu, T. Tanaka, Y. Saito, 3D mesh simplification for freeform surfacing, Tehran International Congress on Manufacturing Engineering (TICME2005), Tehran, Iran, No. 12-15 (2005-12), pp. 40.
2. (2) J. Zhu, R. Tanaka, T. Tanaka, Y. Saito, An 8-Axis Robot Based Rough Cutting System for Surface Sculpturing, The 11th International Conference on Precision Engineering (ICPE), Tokyo, Japan, No. 16-18 (2006-8), pp 139-144.
3. (3) J. Zhu, T. Tanaka, Y. Saito, A New Mesh Simplification Algorithm for the Application of Surface Sculpture, Proceeding of The First JTU-TIT Joint Workshop on Creative Engineering --- Mechanics, Control and Advanced Robotics, Shanghai/Xi'an, China, No. 11-15 (2005-9).
4. (4) J. Rossignac, P. Borrel, Multi-Resolution 3D Approximation for Rendering, Modeling in Computer Graphics, (1993), pp. 455-465, Genova: Springer-Verlag.
5. (5) W.J. Schroeder, J.A. Zarge, W.E. Lorenson, Decimation of Triangle Mesh, Computer Graphics, Vol. 26 (1992), pp. 65-70.