H. Iizuka, and T. Ikegami. Artificial Life XI: Proceedings of the Eleventh
International Conference on the Simulation and
Synthesis of Living Systems, page 776. MIT Press, Cambridge, MA, (2008)
K. Iizuka, Y. Iizuka, and C. Suematsu. Business Process Management Workshops, volume 256 of Lecture Notes in Business Information Processing, page 323-333. Springer, (2015)