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References

1
Kajiya, J. T. ``The Rendering Equation,'' Computer Graphics 20, 4(1986), 143--150.
2
Whitted, T. ``An Improved Illumination Model for Shaded Display,'' CACM 23, 6(1980), 343--349.


Lawrence Kesteloot
Fri Jan 20 16:24:55 EST 1995