1) Verry, M. A. and Shephard, M. S.: Automatic threedimensional mesh generation by the modified octree technique, Int. J. Num. Meth. Eng., Vol. 20, pp. 1965-1990, 1984.
2) Bowyer, A.: Computing Dirichlet tesselations, The Computer Journal, Vol. 24, No. 2, pp. 162-166, 1981.
3) Watson, D. F.: Computing n-dimensionay Delaunay tesselation with application to Voronoi polytopes, The Computer Journal, Vol. 24, No. 2, pp. 167-172, 1981.
4) Taniguchi, T.: An interactive automatic mesh generator for microcomputer, Computers & Structures, Vol. 30, No. 3, pp. 715-722, 1988.
5) Sloan, S. W.: A fast algorithm for computing Delaunay triangulations in the plane, Advances in Engineering Software, Vol. 9, No. 1, pp. 34-55, 1987.