\input zb-basic
\input zb-ioport
\iteman{io-port 70345063}
\itemau{Zhao, Yong; Han, Zhen; Liu, Jiqiang; Li, Zhigang}
\itemti{An efficient and divisible payment scheme for M-commerce}
\itemso{KES (3), 488-496 (2005).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/11553939\_70}
\end