- OpenGL News Comments - OpenSG v1.4.0 scenegraph adds support for the OpenGL Shading Language
- OpenGL ARB Meeting Notes - September 11-12, 2001
- polygon vertices coloring - OpenGL.org Discussion and Help Forums
- Reading Depth32F Stencil8 combined buffer in shade - OpenGL.org Discussion and Help Forums
- OpenGL - The Industry Standard for High Performance Graphics
- OpenGL News Comments - “Programmable Hardware Shading in Applications” paper from LightWork Design

