\input zb-basic
\input zb-ioport
\iteman{io-port 50036288}
\itemau{Juzgado, Natalia Juristo; Windl, Helmut; Constantine, Larry L.}
\itemti{Guest editors' introduction: introducing usability}
\itemso{IEEE Software 18, No. 1, 20-21 (2001).}
\itemcc{}
\itemut{}
\itemli{http://doi.ieeecomputersociety.org/10.1109/MS.2001.903155}
\end