A Cellular Texture Basis Function. - Steven Worley (SIGGRAPH, 1996)

Fast, Low Memory Z-Buffering when Performing Medium-Quality Rendering. - Eric Haines; Steven Worley (J. Graphics, GPU, & Game Tools, 1996)

Texturing and modeling - a procedural approach, Third Edition. - David S. Ebert; F. Kenton Musgrave; Darwyn Peachey; Ken Perlin; Steven Worley (Elsevier, 2003)