\input zb-basic
\input zb-ioport
\iteman{io-port 05412445}
\itemau{Zaniolo, Carlo}
\itemti{Databases and logic - forword by the guest editor.}
\itemso{Bull. Tech. Comm. Data Eng. 10, No. 4, 1 (1987).}
\itemcc{}
\itemut{}
\itemli{http://sites.computer.org/debull/87DEC-CD.pdf}
\end