\input zb-basic
\input zb-ioport
\iteman{io-port 70573292}
\itemau{Boutkova, Ekaterina}
\itemti{Herausforderungen f\"ur variantenmanagement in anforderungsdokumenten}
\itemso{Software Engineering (Workshops), 329-338 (2010).}
\itemcc{}
\itemut{}
\itemli{}
\end