Minisymposium Geometrische Verfahren der Graphischen Datenverarbeitung Spezielle Visualisierungstechniken. - Hellmuth Stachel; Georg Glaeser; Helmut Pottmann; W. Rath (Visualisierungstechniken und Algorithmen, 1988)

Circular pipe-connections. - Wilhelm Fuhs; Hellmuth Stachel (Comput. Graph., 1988)

Coordinates - A survey on higher geometry. - Hellmuth Stachel (Comput. Networks ISDN Syst., 1997)

Open geometry - OpenGL and advanced geometry. - Georg Glaeser; Hellmuth Stachel (Springer, 1999)

A kinematic approach to Kokotsakis meshes. - Hellmuth Stachel (Comput. Aided Geom. Des., 2010)

Preface. - Victor Alexandrov 001; Idzhad Kh. Sabitov; Hellmuth Stachel (Eur. J. Comb., 2010)

Flexible Polyhedral Surfaces with Two Flat Poses. - Hellmuth Stachel (Symmetry, 2015)

Equicevian Points of a Triangle. - Sadi Abu-Saymeh; Mowaffaq Hajja; Hellmuth Stachel (Am. Math. Mon., 2015)

A Family of Constant-Area Deltoids Associated with the Ellipse. - Ronaldo Garcia; Dan Reznik; Hellmuth Stachel; Mark Helman (CoRR, 2020)

Area-Invariant Pedal-Like Curves Derived from the Ellipse. - Dan Reznik; Ronaldo Garcia; Hellmuth Stachel (CoRR, 2020)