Andrew Adamatzky
Artificial Life, Volume 19, Issue 3_4, Page 317-330, Summer/Fall 2013.
Takashi Ikegami
Artificial Life, Volume 19, Issue 3_4, Page 387-400, Summer/Fall 2013.
Carlos Gershenson
Artificial Life, Volume 19, Issue 3_4, Page 401-420, Summer/Fall 2013.
