\input zb-basic
\input zb-ioport
\iteman{io-port 50252661}
\itemau{Fitzgerald, Brian}
\itemti{A critical look at open source}
\itemso{IEEE Computer 37, No. 7, 92-94 (2004).}
\itemcc{}
\itemut{}
\itemli{http://doi.ieeecomputersociety.org/10.1109/MC.2004.38}
\end