A Non-photorealistic Rendering of Seurat's Pointillism
Hui-Lin Yang, Chuan-Kai Yang.
Advances in Visual Computing, pp. 760--769, Springer Berlin / Heidelberg, Vol. 4292/2006, Lecture Notes in Computer Science, Berlin,
2006. [BibTeX]
Game Programming Gems 4
Bert Freudenberg, Maic Masuch, Thomas Strothotte.
Andrew Kirmse, Real-Time Halftoning: Fast and Simple Stylized Shading, pp. 443--440, Charles River Media,
2004. [BibTeX]
GPU Gems II: Programming Techniques for High Performance Graphics and General-Purpose Computation
Author(s): Marc Nienhaus, Jürgen Döllner.
In Book: M. Pharr, Blueprint Rendering and Sketchy Drawings, pp. 235--252, Addison-Wesley Professional,
2005.
[BibTeX] 
Hatching, Stroke Styles & Pointillism
Kevin Buchin, Maike Walther.
Wolfgang Engel, Rendering Techniques, pp. 340--347, Wordware Publishing, Vol. ShaderX2 - Shader Tips and Tricks, September,
2003. [BibTeX]
Non-Photorealistic Postprocessing Filters in MotoGP 2
Shawn Hargreaves.
Wolfgang Engel, Image Space, Wordware Publisher, Vol. ShaderX2 - Shader Tips and Tricks, September,
2003. [BibTeX]
OpenGL Shading Language
Randi J. Rost, Bill Licea-Kane.
Chapter 18 - Non-photorealistic Shaders, pp. 507--532, Addison-Wesley, 3rd,
2009. [BibTeX]
Visualization Handbook
R. Michael Kirby, Daniel F. Keefe, David H. Laidlaw.
Charles D. Hansen and Christopher R. Johnson, Part XI: Selected Topics and Applications, Chapter 45. Painting and visualization, pp. 873--891, Academic Press,
2004. [BibTeX]