\input zb-basic
\input zb-ioport
\iteman{io-port 05090080}
\itemau{Sampson, Mark E.}
\itemti{The Allegory of the Humidifier: ROI for Systems Engineering.}
\itemso{Computer 30, No.08, 104,102-103 (1997).}
\itemcc{}
\itemut{}
\itemli{doi:10.1109/2.607122}
\end