\begin{table}%t6
\caption{Integrated total flux densities from Effelsberg surveys ($R$~$<$~$50\arcmin$).}\label{tab6}
\small%\centerline
{
\begin{tabular}{ l l l } 
\hline\hline
$\lambda$~(cm) & $\nu$~(MHz) & $S$~(mJy) \\
\hline 
%&& \\[-8pt]
35.6 & 842 & 5377 $\pm$ 1217$^{1}$ \\
21.1 & 1420& 2990 $\pm$ 440$^{1}$\\
20~(21) & 1425& 2768 $\pm$ 63$^{2}$\\
17.4 & 1720& 2714 $\pm$ 254$^{1}$\\
11.1 & 2702& 1683 $\pm$ 168$^{1}$\\
6.3 &4750 &1100 $\pm$ 167$^{1}$\\
6.2 &4850& 1300 $\pm$ 135$^{2}$\\
3.6 & 8350 &779 $\pm$ 66$^{2}$\\
2.8 & 10~700 & 482 $\pm$ 150$^{1}$\\
\hline
\end{tabular}}
\medskip
\hspace{20mm}$^{1}$ \cite{Buczilowski_88}.
$^{2}$ This paper.
\end{table}