\input zb-basic
\input zb-ioport
\iteman{io-port 70922216}
\itemau{Chen, Ying-Ju; Zhao, Xiaojian}
\itemti{Contractual traps}
\itemso{TARK, 51-60 (2009).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/1562814.1562825}
\end