Emmanuel Sapin Olivier Bailleux Jean-Jacques Chabrier Pierre Collet A New Universal Cellular Automaton Discovered by Evolutionary Algorithms. 175-187 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3102&spage=175 2004 conf/gecco/2004-1 GECCO (1) db/conf/gecco/gecco2004-1.html#SapinBCC04