\input zb-basic
\input zb-ioport
\iteman{io-port 05087175}
\itemau{IEEE Computer Society, Unknown Author}
\itemti{A very special "Thanks".}
\itemso{Computer 23, No.01, 6 (1990).}
\itemcc{}
\itemut{}
\itemli{doi:10.1109/MC.1990.10007}
\end