\input zb-basic
\input zb-ioport
\iteman{io-port 70564242}
\itemau{Greenwood, Phil; Chitchyan, Ruzanna; Rashid, Awais; Noppen, Joost; Fleurey, Franck; Solberg, Arnor}
\itemti{Modelling adaptability and variability in requirements}
\itemso{RE, 343-344 (2011).}
\itemcc{}
\itemut{}
\itemli{doi:10.1109/RE.2011.6051667}
\end