| “QuickTime 4 API Documentation 3D graphics Programming with QuickDraw 3D 1.5.4”, developer.apple.com, 1997. |
| J.D. Mulder, et al. “Pixel Masks for Screen-Door Transparency”, 1998, pp. 351-358 and p. 550. |
| D. Rogerson, “OpenGL V: Translating Windows DIBs”, msdn.microsoft.com, 1999, pp. 1-16. |
| “The PC Technology Guide”, pctechguide.com, Aug. 26, 1999, pp. 1-7. |
| “Display Drivers”, Microsoft Corporation, 1999. |
| “10.2 Alpha Blending”, www-europe.sgi.com. |
| “Zdwebopedia”, Zdnet, zdwebopedia.com, 1999. |
| “Alpha Blending”, library.advanced.org. |
| “Alpha Blending Modes”, GL3.2 Version 4.1 for AIX: Programming Concepts, rs6000.com. |