\input zb-basic
\input zb-ioport
\iteman{io-port 70016861}
\itemau{Serr\~ao, Carlos; Neves, Daniel; Trezentos, Paulo}
\itemti{Open source security analysis - evaluating security of open source vs. Closed source operating systems}
\itemso{ICEIS (3), 433-440 (2003).}
\itemcc{}
\itemut{}
\itemli{}
\end