\input zb-basic
\input zb-ioport
\iteman{io-port 70786618}
\itemau{Verdicchio, Mario; Colombetti, Marco}
\itemti{Dealing with time in content language expressions}
\itemso{AC, 91-105 (2004).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-540-32258-0\_7}
\end