\input zb-basic
\input zb-ioport
\iteman{io-port 70879916}
\itemau{Tadaki, Kohtaro; Yamakami, Tomoyuki; Lin, Jack C. H.}
\itemti{Theory of one tape linear time Turing machines}
\itemso{SOFSEM, 335-348 (2004).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-540-24618-3\_29}
\end