\input zb-basic
\input zb-ioport
\iteman{io-port 70705798}
\itemau{Feng, Qi; Wu, Shengjun; Li, Xiaodong; Wang, Xuelei; Cai, Shuming}
\itemti{Footprint of yangxin county: A time series for 1999-2006}
\itemso{ESIAT (2), 265-268 (2009).}
\itemcc{}
\itemut{}
\itemli{http://doi.ieeecomputersociety.org/10.1109/ESIAT.2009.243}
\end