2. See also Quasiregular polyhedron Semiregular polyhedron Uniform polyhedron Regular polytope References Bertrand, J. (1858). Note sur la théorie des polyèdres réguliers, Comptes rendus des séances de l'Académie des Sciences, 46, pp. 79–82. Haeckel, E. (1904). Kunstformen der Natur. Available as Haeckel, E. Art forms in nature, Prestel USA (1998), , or online at http://caliban.mpiz-koeln.mpg.de/~stueber/haeckel/kunstformen/natur.html Smith, J. V. (1982). Geometrical And Structural Crystallography. John Wiley and Sons. Sommerville, D. M. Y. (1930). An Introduction to the Geometry of n Dimensions. E. P. Dutton, New York. (Dover Publications edition, 1958). Chapter X: The Regular Polytopes. Coxeter, H.S.M.; Regular Polytopes (third edition). Dover Publications Inc. 'there are 48 regular polyhedra' jan Misali External links