Control and Cybernetics
Control and Cybernetics > 1999 > Vol. 28, no 3 > 531-556
Control and Cybernetics > 1999 > Vol. 28, no 3 > 627-664
Control and Cybernetics > 2004 > Vol. 33, no 2 > 237-257
Control and Cybernetics > 2019 > Vol. 48, No. 1 > 69--87