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IEEE Communications Magazine > 2013 > 51 > 3 > 96 - 102
IEEE Transactions on Vehicular Technology > 2013 > 62 > 1 > 449 - 454
IEEE Communications Surveys & Tutorials > 2012 > 14 > 3 > 884 - 896
IEEE Communications Magazine > 2013 > 51 > 3 > 96 - 102
IEEE Transactions on Vehicular Technology > 2013 > 62 > 1 > 449 - 454
IEEE Communications Surveys & Tutorials > 2012 > 14 > 3 > 884 - 896