\input zb-basic
\input zb-ioport
\iteman{io-port 70443267}
\itemau{Saraiva, Jo\~ao}
\itemti{Component-based programming for higher-order attribute grammars}
\itemso{GPCE, 268-282 (2002).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/3-540-45821-2\_17}
\end