\input zb-basic
\input zb-ioport
\iteman{io-port 05084107}
\itemau{Buchholz, Werner}
\itemti{Comments, Queries, and Debate.}
\itemso{IEEE Annals of the History of Computing 10, No.01, 99-101 (1988).}
\itemcc{}
\itemut{}
\itemli{doi:10.1109/MAHC.1988.10005}
\end