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Fodorean, D. , Popa, D. , Jurca, F. , Ruba, M.. "Optimizing the Design of Radial/Axial PMSM and SRM used for Powered Wheel-Chairs". World Academy of Science, Engineering and Technology, Open Science Index 59, International Journal of Mechanical and Mechatronics Engineering, (2011), 5(11), 2096 - 2101.