\input zb-basic
\input zb-ioport
\iteman{io-port 50110182}
\itemau{Pasedach, Klaus; Reichel, Andrea}
\itemti{Regina, die informatik-kooperation der region Aachen}
\itemso{Inform., Forsch. Entwickl. 14, No. 4, 227-229 (1999).}
\itemcc{}
\itemut{}
\itemli{}
\end