Tools for Efficient Photo-Realistic Computer Animation. - Achim Stößer; Alfred Schmitt; Burkhard Neidecker; Heinrich Müller; Thomas Maus; Wolfgang Leister (Eurographics, 1988)

Some Annotations on X-ray Tracing. - Alfred Schmitt; Achim Stößer (Focus on Scientific Visualization, 1991)

Illusion - creating a mock reality. - Achim Stößer; Wolfgang Leister; Frerk Meyer (Comput. Animat. Virtual Worlds, 1993)