\input zb-basic
\input zb-ioport
\iteman{io-port 70744428}
\itemau{Hausler, Philip A.; Linger, Richard C.}
\itemti{From software craft to software engineering: the cleanroom method}
\itemso{SEKE, 172-179 (1994).}
\itemcc{}
\itemut{}
\itemli{}
\end