\input zb-basic
\input zb-ioport
\iteman{io-port 05090858}
\itemau{IEEE Computer Society, Unknown Author}
\itemti{Letters.}
\itemso{Computer 34, No.11, 7-9 (2001).}
\itemcc{}
\itemut{}
\itemli{doi:10.1109/MC.2001.10093}
\end