Nazim Fatès Michel Morvan Nicolas Schabanel Eric Thierry Fully Asynchronous Behavior of Double-Quiescent Elementary Cellular Automata. 316-327 2005 conf/mfcs/2005 MFCS http://dx.doi.org/10.1007/11549345_28 db/conf/mfcs/mfcs2005.html#FatesMST05