(x^o^'x)/2. Faces are 12 pentagons and 10 central hexagons. Wenninger, M.J. Polyhedron Models. Cambridge University Press. 1974 [2021-09-06]. ISBN 9780521098595
Trans. Image Processing, p. 1359, September 1996 M.J. Mohlenkamp, M.C. Pereyra Wavelets, Their Friends, and What They Can Do for You (2008 EMS) p. 38 B