中丸 幸治Research Koji Nakamaru and Yoshio Ohno, Breadth-First Ray Tracing Utilizing Uniform Spatial Subdivision, IEEE Transactions on Visualization and Computer Graphics, vol. 3, no. 4, pp. 316-328, October/December 1997. Abstract 1997tvcg-breadth-first-ray-tracing-utilizing-uniform-spatial-subdivision.pdf Koji Nakamaru and Yoshio Ohno, Enhanced Breadth-First Ray Tracing, Journal of Graphics Tools, vol. 6
