@@ -1858,29 +1858,29 @@ Ecole Polytechnique Federale de Lausanne (EPFL Unive
Comparing Real and Synthetic Images: Some Ideas about
Metrics,'' Sixth Eurographics Workshop on Rendering,
Springer-Verlag, Dublin, Ireland, June 1995.
Ward, G., ``Adaptive Shadow
Testing for Ray Tracing'' Photorealistic Rendering in
Computer Graphics, proceedings of 1991 Eurographics
Rendering Workshop, edited by P. Brunet and F.W. Jansen,
Springer-Verlag.
Ward, G., ``Visualization,'' Lighting Design and
Application, Vol. 20, No. 6, June 1990.