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IEEE Communications Magazine > 2013 > 51 > 9
IEEE Transactions on Wireless Communications > 2013 > 12 > 8 > 3968 - 3979
IEEE Communications Surveys & Tutorials > 2013 > 15 > 1 > 199 - 222
IEEE/ACM Transactions on Networking > 2013 > 21 > 2 > 594 - 609