Samira El Yacoubi Abdelhaq El Jai Nezha Ammor Regional Controllability with Cellular Automata Models. 357-368 2002 conf/acri/2002 ACRI http://link.springer.de/link/service/series/0558/bibs/2493/24930357.htm db/conf/acri/acri2002.html#YacoubiJA02