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IEEE Systems Journal > 2016 > 10 > 2 > 422 - 433
Proceedings of the IEEE > 2014 > 102 > 7 > 1084 - 1093
IEEE Latin America Transactions > 2011 > 9 > 5 > 726 - 731
IEEE Transactions on Energy Conversion > 2008 > 23 > 1 > 249 - 256