IEMDC'03. IEEE International, page. 1808 - 1812, 2003-01-01
IEEE International, Electric Machines and Drives Conference, page. 1832 - 1836, 2003-01-01
IEEE Industry Application Conference, page. 124 - 129, 2003-01-01
IEEE ApEC annual meeting, page. 2512 - 2516, 2003-01-01
IEEE Industry Application Conference, page. 2451 - 2459, 2003-01-01