\input zb-basic
\input zb-ioport
\iteman{io-port 70535931}
\itemau{Jing-Zhong, Wang; Hui-Dan, Li}
\itemti{Research on the web GIS technology based on mapxtreme}
\itemso{CSSE (2), 123-126 (2008).}
\itemcc{}
\itemut{}
\itemli{doi:10.1109/CSSE.2008.1312}
\end