\begin{table}%t1
\label{fluxes}
\caption{Integrated flux densities for the SNR \object{Puppis~A}.}
\small%\centerline
{
\begin{tabular}{lll} 
 \hline \hline\noalign{\smallskip}
Frequency &  Scaled flux  & References  \\
   (MHz)  &  density (Jy)    & \\ \hline
19        &   800 $\pm$ 160$^{{a}}$ & \citet{ris58} \\
86        &   690 $\pm$ 100$^{{a}}$ & \citet{mil60} \\
327       &   263 $\pm$ 20  & This work$^{{\rm(b)}}$ \\
408       &   235 $\pm$ 20   & \citet{has81} \\
635       &   180 $\pm$ 29 & \citet{mil69} \\
843       &   144 $\pm$ 10 & \citet{are90} \\
960       &   130 $\pm$ 12  & \citet{har62} \\
1410      &   129 $\pm$ 20 & \citet{mil69} \\
1425      &   114 $\pm$ 8 & This work$^{{\rm(b)}}$ \\
1440      &   166 $\pm$ 17  & \citet{mat62} \\
1515      &   118 $\pm$ 10 & \citet{dub91} \\
2650      &   92 $\pm$ 14  & \citet{mil69} \\
2700      &   78 $\pm$ 12 & \citet{mil71} \\
4750      &   59 $\pm$ 5 & \citet{mil93} \\
5000      &   67 $\pm$ 7 & \citet{mil69} \\
5000      &   61 $\pm$ 7 & \citet{mil71} \\
8400      &   38 $\pm$ 4 & \citet{mil93} \\ \hline
\end{tabular}}
\smallskip
$^{a}$  No correction to \citet{baa77} scale was applied.\\
$^{b}$  Flux density scale from VLA Calibrator Manual,\\
{\tt http:/www.aoc.nrao.edu/$\sim$gtaylor/calib.html}
\end{table}