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IEEE Communications Letters > 2010 > 14 > 9 > 791 - 793
IEEE Transactions on Wireless Communications > 2009 > 8 > 3 > 1366 - 1372
IEEE Communications Letters > 2008 > 12 > 2 > 127 - 129
IEEE Transactions on Dependable and Secure Computing > 2006 > 3 > 4 > 386 - 399