\input zb-basic
\input zb-ioport
\iteman{io-port 05084650}
\itemau{Robertson, Laurie}
\itemti{Anecdotes.}
\itemso{IEEE Annals of the History of Computing 26, No.03, 70-77 (2004).}
\itemcc{}
\itemut{}
\itemli{doi:10.1109/MAHC.2004.3}
\end