\input zb-basic
\input zb-ioport
\iteman{io-port 70642056}
\itemau{Zang, Qi; Klette, Reinhard}
\itemti{Background subtraction using multi-layered mixture model}
\itemso{CISST, 88-93 (2004).}
\itemcc{}
\itemut{}
\itemli{}
\end