Control and Cybernetics
Control and Cybernetics > 2000 > Vol. 29, no 1 > 237-256
Control and Cybernetics > 2000 > Vol. 29, no 2 > 449-472
Control and Cybernetics > 2000 > Vol. 29, no 1 > 237-256
Control and Cybernetics > 2000 > Vol. 29, no 2 > 449-472