\input zb-basic
\input zb-ioport
\iteman{io-port 20002400}
\itemau{}
\itemti{ACM/IEEE joint conference on digital libraries, JCDL 2001, roanoke, virginia, USA, June 24-28, 2001, Proceedings}
\itemso{JCDL (2001).}
\itemcc{}
\itemut{}
\itemli{}
\end