\input zb-basic
\input zb-ioport
\iteman{io-port 70698448}
\itemau{Luk, Robert W. P.; Yeung, Daniel S.; Lu, Qin; Leung, Eric; Li, S. Y.; Leung, Fred}
\itemti{Digital library access for chinese visually impaired}
\itemso{ACM DL, 244-245 (2000).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/336597.336678}
\end