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Journal of Systems Science and Systems Engineering > 2003 > 12 > 1 > 49-72
Journal of Systems Science and Systems Engineering > 2003 > 12 > 1 > 13-38
Journal of Systems Science and Systems Engineering > 2003 > 12 > 1 > 49-72
Journal of Systems Science and Systems Engineering > 2003 > 12 > 1 > 13-38