Oblique View Frustum Depth Projection and Clipping. - Eric Lengyel (J. Game Dev., 2005)

On Faster Sphere-Box Overlap Testing. - Thomas Larsson; Tomas Akenine-Möller; Eric Lengyel (J. Graph. Tools, 2007)

Unified Distance Formulas for Halfspace Fog. - Eric Lengyel (J. Graph. Tools, 2007)

Transition Cells for Dynamic Multiresolution Marching Cubes. - Eric Lengyel (J. Graphics, GPU, & Game Tools, 2010)