@misc {IOPORT.71013703,
    author       = {Hu, Fei and Cao, Xiaojun},
    title        = {Security in wireless actor \& sensor networks (WASN): towards A hierarchical re-keying design},
    howpublished = {ITCC (2), 528-533 (2005).},
    year         = {2005},
    doi          = {10.1109/ITCC.2005.255},
    identifier   = {71013703},
}