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IEEE Communications Magazine > 2014 > 52 > 3 > 129 - 136
IEEE Communications Magazine > 2012 > 50 > 11 > 36 - 43
Proceedings of the IEEE > 2012 > 100 > Special Centennial Issue > 1853 - 1888
IEEE Latin America Transactions > 2012 > 10 > 1 > 1175 - 1179