\input zb-basic
\input zb-ioport
\iteman{io-port 70830034}
\itemau{Kanter, Sharon; Jones, Gary}
\itemti{"No problem" problem tracking}
\itemso{SIGUCCS, 351-356 (1993).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/263814.263913}
\end