Control and Cybernetics
Control and Cybernetics > 2002 > Vol. 31, no 1 > 17-41
Control and Cybernetics > 2003 > Vol. 32, no 4 > 761-802
Control and Cybernetics > 2004 > Vol. 33, no 1 > 85-94
Control and Cybernetics > 2007 > Vol. 36, no 1 > 97-141