\input zb-basic
\input zb-ioport
\iteman{io-port 70704837}
\itemau{Wallace, Mark}
\itemti{G12 - towards the separation of problem modelling and problem solving}
\itemso{CPAIOR, 8-10 (2009).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-642-01929-6\_2}
\end