Cellular Automata and Discrete Complex Systems 20th International Workshop, AUTOMATA 2014, Himeji, Japan, July 7-9, 2014, Revised Selected Papers - Isokawa, Teijiro; Imai, Katsunobu; Matsui, Nobuyuki; Peper, Ferdinand; Umeo, Hiroshi (Springer International Publishing : Imprint: Springer, 2015)