Fan Yang Xiao-ping Li Qing-kuan Dong Yan-ming Liu A Dynamic Layering Scheme of Multicast Key Management. 269-272 2009 IAS http://dx.doi.org/10.1109/IAS.2009.344 conf/IEEEias/2009 db/conf/IEEEias/IEEEias2009.html#YangLDL09