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POV-Ray home page
Site for POV-Ray, a popular freeware for ray tracing, with links to FAQs, newsgroups, and related sites and products.
Ray Tracing FAQ
Contains links to parts 1 and 2 of the ray tracing FAQ from the comp.graphics.rendering.raytracing newsgroup.
Yahoo!'s ray tracing page
Yahoo!'s directory of links to ray tracing.