@article {IOPORT.50277136,
    author       = {Zhu, Wen Tao},
    title        = {Collision attacks with budget constraints on key management schemes for secure multimedia multicast},
    year         = {2009},
    journal      = {IEEE Transactions on Multimedia},
    volume       = {11},
    number       = {3},
    pages        = {556-561},
    doi          = {10.1109/TMM.2009.2012920},
    identifier   = {50277136},
}