1. Alias|Wavefront, (2000). (
http://www.aliaswavefront.com/en/Home/homepage.html
).
2. Barr, A. (1984). Global and local deformations of solid primitives. Computer Graphics (SIGGRAPH’84 Proceedings), 18(3):21–31.
3. Bechmann, D. (1994). Space deformation models survey. Comput., and Graphics, 18 (4): 571–586.
4. Blanc, C., Guitton, P., and Schlick, C. (1994). A methodology for description of geometrical deformations. In Pacific Graphics’94.
5. Blanc, C. and Schlick, C. (1995). Extended Field Functions for Soft Objects. In Implicit Surfaces’95 Proceedings, pages 2132.