1995 IEEE International Conference on Systems, Man and Cybernetics. Intelligent Systems for the 21st Century Systems, man and cybernetics Systems, Man and Cybernetics, 1995. Intelligent Systems for the 21st Century., IEEE International Conference on. 4:3391-3396 vol.4 1995
Proceedings of the 33rd Midwest Symposium on Circuits and Systems Circuits and Systems, 1990., Proceedings of the 33rd Midwest Symposium on. :1146-1149 vol.2 1990