Geometric data transfer between CAD systems: solid models. - Uri I. Kroszynski; Bjarne Palstroem; Erik Trostmann; Ernst G. Schlechtendahl (IEEE Computer Graphics and Applications, 1989)

Issues in Modelling Techniques for the STEP Based Exchange of Robotics Data. - Uri I. Kroszynski; Torben Sørensen; Erik Trostmann (Interfaces in Industrial Systems for Production Engineering, 1993)