\input zb-basic
\input zb-ioport
\iteman{io-port 70781954}
\itemau{Nicod\`eme, Pierre}
\itemti{Q-gram analysis and urn models}
\itemso{DRW, 243-258 (2003).}
\itemcc{}
\itemut{}
\itemli{http://www.dmtcs.org/proceedings/html/dmAC0124.abs.html}
\end