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IEEE-ASME TRANSACTIONS ON MECHATRONICS, vol. 8, no. 1, page. 99 - 110, 2003-03
JOURNAL OF DYNAMIC SYSTEMS MEASUREMENT AND CONTROL-TRANSACTIONS OF THE ASME, vol. 125, no. 1, page. 19 - 26, 2003-03
IEEE TRANSACTIONS ON AUTOMATIC CONTROL, vol. 48, no. 2, page. 315 - 320, 2003-02
INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS, vol. 18, no. 1-3, page. 115 - 125, 2003-01