The Electronic Structure of Oxygen in Silicon as Revealed by Volume Visualization of Ab Initio Calculations. - Robert H. Wolfe; Mark Needels; John D. Joannopoulos (IEEE Visualization, 1991)

Visual revelations from silicon ab initio calculations. - Robert H. Wolfe; Mark Needels; Tomas Arias; John D. Joannopoulos (IEEE Computer Graphics and Applications, 1992)