Control and Cybernetics
Control and Cybernetics > 1999 > Vol. 28, no 1 > 89-99
Control and Cybernetics > 1999 > Vol. 28, no 4 > 755-777
Control and Cybernetics > 1999 > Vol. 28, no 4 > 703-724
Control and Cybernetics > 2000 > Vol. 29, no 2 > 617-622
Control and Cybernetics > 2003 > Vol. 32, no 1 > 87-102