Andrei Iones, Sergey Zhukov, Anton Krupkin. On Optimality of OBBs for Visibility Tests for Frustum Culling, Ray Shooting and Collision Detection. In 1998 Computer Graphics International (CGI 98), June 22-24, 1998 - Hannover, Germany, Proceedings. pages 256-263, IEEE Computer Society, 1998. [doi]
Abstract is missing.