(2015) Chapter 11: Finite symmetry groups Richard Klitzing, Snubs, alternated facetings, and Stott-Coxeter-Dynkin diagrams, Symmetry: Culture and Science, Vol. 21, No.4, 329-344, (2010) Googlebook, 370-381 External links Convex uniform 4-polytopes Uniform, convex polytopes in four dimensions, Marco Möller . Includes alternative names for these figures, including those from Jonathan Bowers, George Olshevsky, and Norman Johnson. Regular and semi-regular convex polytopes a short historical overview Java3D Applets with sources Nonconvex uniform 4-polytopes Uniform polychora by Jonathan Bowers Stella4D Stella (software) produces interactive views of known uniform polychora including the 64 convex forms and the infinite prismatic families. 4D-Polytopes and Their Dual Polytopes of the Coxeter Group W(A4) Represented by Quaternions International Journal of Geometric Methods in Modern Physics,Vol. 9, No. 4 (2012) Mehmet Koca, Nazife Ozdes Koca, Mudhahir Al-Ajmi (2012) 4-polytopes