In: SIGGRAPH Asia 2011 Sketches. ACM SiggraphAsia (SigAsia-11), December 12-15, Hongkong, China, Pages 27:1-27:2, SA '11, ISBN 978-1-4503-1138-0, ACM, 2011.
In: 19th International Conference on Computer Graphics, Visualization and Computer Vision 2011 (WSCG 2011) Pilsen. International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision (WSCG-11), January 31 - February 3, Pilsen, Czech Republic, Pages 65-72, ISBN 978-80-86943-83-1, Union Agency, 2/2011.