1. Piecewise smooth subdivision surfaces with normal control;Biermann,2000
2. Unstructured triangular-quadrilateral mesh generation;Borouchaki,1996
3. Recursively generated B-spline surfaces on arbitrary topological meshes;Catmull;Computer-Aided Design,1978
4. Stationary subdivision;Cavaretta;Mem. Amer. Math. Soc.,1991
5. Box Splines;de Boor,1994