\begin{figure}
\resizebox{\hsize}{!}{\includegraphics{0109_1.ps}}
\end{figure} The light curves for the source 0109+224 (The same as Fig. 1 for the source 0109+224).


 \begin{figure}
\resizebox{\hsize}{!}{\includegraphics{0109_2.ps}}
\end{figure} Autocorrelation (ACF) and cross correlation (DCF) results for 0109+224 (The same as Fig. 2 for 0109+224).


 \begin{figure}
\resizebox{\hsize}{!}{\includegraphics{0109_3.ps}}
\end{figure} Modelling the light curve with exponential flares for 0109+224 (37 GHz) (The same as Fig. 3 for 0109+224 37 GHz)


 \begin{figure}
\resizebox{\hsize}{!}{\includegraphics{0109_4.ps}}
\end{figure} Modelling the light curve with eponential flares for 0109+224 (22 GHz) (The same as Fig. 3 for 0109+224 22 GHz).


 \begin{figure}
\resizebox{\hsize}{!}{\includegraphics{0109_5.ps}}
\end{figure} Optical flux level vs. phase $\Phi $ and flux of the model radio outbursts for 0109+224 (37 GHz) (The same as Fig. 4 for 0109+224 37 GHz).


 \begin{figure}
\resizebox{\hsize}{!}{\includegraphics{0109_6.ps}}
\end{figure} Optical flux level vs. phase $\Phi $ and flux of the model radio outbursts for 0109+224 (22 GHz) (The same as Fig. 4 for 0109+224 22 GHz).


Copyright ESO 2002