Digital flashing tomosynthesis: a promising technique for angiocardiographic screening. - Georg M. Stiel; Ludmilla S. G. Stiel; Erhard Klotz; Christoph A. Nienaber (IEEE Trans. Medical Imaging, 1993)

Digital TomoSynthesis on a rotating C-arm system. - Reiner Koppe; Erhard Klotz; John Op de Beek (CARS, 2001)

Three-dimensional imaging using low-end C-arm systems. - Joern Luetjens; Reiner Koppe; Erhard Klotz; Michael Grass 001; Volker Rasche (Image Processing, 2002)

Perfomance of image-intensifier equipped X-ray systems for-three-dimensional imaging. - Volker Rasche; B. Schreiber; C. Graeff; Thomas Istel; Hermann Schomberg; Michael Grass 001; Reiner Koppe; Erhard Klotz; Georg Rose (CARS, 2003)