\input zb-basic
\input zb-ioport
\iteman{io-port 70789809}
\itemau{Jacob, Joost}
\itemti{A rule markup language and its application to UML}
\itemso{ISoLA, 26-41 (2004).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/11925040\_3}
\end