\input zb-basic
\input zb-ioport
\iteman{io-port 50016925}
\itemau{Frakes, William B.; Pole, Thomas P.}
\itemti{An empirical study of representation methods for reusable software components}
\itemso{IEEE Trans. Software Eng. 20, No. 8, 617-630 (1994).}
\itemcc{}
\itemut{}
\itemli{http://doi.ieeecomputersociety.org/10.1109/32.310671}
\end