An area-oriented analytical visibility method for displaying parametrically defined tensor-product surfaces. - Christoph Hornung; Wolfgang Lellek; Peter Rehwald; Wolfgang Straßer (Comput. Aided Geom. Des., 1985)

VDAFS–An interface to transfer surface description data between CAD systems. - Peter Rehwald (Comput. Graph., 1985)

An analytical visibility method for displaying parametrically defined surfaces. - Peter Rehwald; Christoph Hornung (Comput. Graph., 1985)