\input zb-basic
\input zb-ioport
\iteman{io-port 02112396}
\itemau{Xu, Mingwei; Dong, Xiaohu; Xu, Ke}
\itemti{A survey of research on key management for multicast.}
\itemso{J. Softw. 15, No. 1, 141-150 (2004).}
\itemcc{}
\itemut{}
\itemli{}
\end