1. Bajaj CL, Chen J, Xu G (1995) Modeling with cubic a-patches. ACM Trans Graph 14:103–133
2. Boubekeur T, Alexa M (2008) Phong tessellation. In SIGGRAPH Asia ’08: ACM SIGGRAPH Asia 2008 papers, New York, NY, USA. ACM, pp 1–5
3. Breen DE (1986) Creation and smooth-shading of steiner patch tessellations. In: Proceedings of 1986 ACM fall joint computer conference, Los Alamitos, CA, USA, ACM ’86. IEEE Computer Society Press, pp 931–940
4. Hanrahan P (1983) Ray tracing algebraic surfaces. In: Proceedings of the 10th annual conference on Computer graphics and interactive techniques, Detroit, Michigan, USA, SIGGRAPH ’83. ACM, pp 83–90
5. Hosaka M (1992) Modeling of curves and surfaces in CAD/CAM. Springer, New York