\input zb-basic
\input zb-ioport
\iteman{io-port 70473356}
\itemau{Van Amstel, Marcel; Den Brand, Mark G. J. Van}
\itemti{Model transformation analysis: staying ahead of the maintenance nightmare}
\itemso{ICMT, 108-122 (2011).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-642-21732-6\_8}
\end