\input zb-basic
\input zb-ioport
\iteman{io-port 50258717}
\itemau{Cortada, James W.}
\itemti{Think piece: preserving records of the past, today}
\itemso{IEEE Annals of the History of Computing 31, No. 2, 87-89 (2009).}
\itemcc{}
\itemut{}
\itemli{http://doi.ieeecomputersociety.org/10.1109/MAHC.2009.30}
\end