\input zb-basic
\input zb-ioport
\iteman{io-port 05405048}
\itemau{Abbott, Russ}
\itemti{If a tree casts a shadow is it telling the time?}
\itemso{Comput. Res. Repos. 2006, Article No. 0603125 (2006).}
\itemcc{}
\itemut{}
\itemli{arXiv:cs/0603125}
\end