J\"urgen D. Buchenmatth;
Die 7. Seite des W\"urfels,
M\"unchen, Hugendubel, 1990 (Homo ludens)
ISBN 3-880434-460-4

Address:
J\"urgen D. Buchenmatth;
Klarastr. 43, 7800 Freiburg

Martin Gardner
MG13SA: Penrose Tiles to Trapdoor Chiphers ... and the return of Dr. Matrix
MG13SA: Freeman (1989) New York
 MG13SA.19 Sicherman Dice, the Kruskal Count and Other Curiosities
 
- Efron nontransitive dices, four dices, each beats another 2:1

- Sicherman Dice

- Visible number of points of a dice: 1 to 15 without 13

- Dice rolling - top even: roll right; top odd: roll up. You end in
  the 6-cycle: 1,4,5,6,3,2 after at most three rolls.

- Cube of 8 dice with the minimal=40 (maximal=306) sum of the
  product of the 12 pair of touching faces.
  Cube of 27 dice with the minimal=294 (maximal=1028) sum of the
  product of the 54 pair of touching faces.