Sheared Interpolation and Gradient Estimation for Real-Time Volume Rendering. - Hanspeter Pfister; Frank Wessels; Arie E. Kaufman (Workshop on Graphics Hardware, 1994)

Towards a Scalable Architecture for Real-Time Volume Rendering. - Hanspeter Pfister; Arie E. Kaufman; Frank Wessels (Workshop on Graphics Hardware, 1995)

Gradient estimation and sheared interpolation for the cube architecture. - Hanspeter Pfister; Frank Wessels; Arie E. Kaufman (Comput. Graph., 1995)