Statistically optimized sampling for distributed ray tracing. - Mark E. Lee; Richard A. Redner; Samuel P. Uselton (SIGGRAPH, 1985)

A note on the use of nonlinear filtering in computer graphics. - Mark E. Lee; Richard A. Redner (IEEE Computer Graphics and Applications, 1990)

Smooth B-Spline Illumination Maps for Bidirectional Ray Tracing. - Richard A. Redner; Mark E. Lee; Samuel P. Uselton (ACM Trans. Graph., 1995)

Convergence Rates for Uniform B-Spline Density Estimators Part I: One Dimension. - Richard A. Redner (SIAM J. Sci. Comput., 1999)