\begin{table}%t4
%\centering
\par
\caption{Summary  of  the HDF  results.   The  authors, the  selection
	criteria and number of objects are indicated.\label{tab4}}
\par
\begin{tabular}{llc}
\hline
\hline
Author & Selection Criteria  & $N_{\rm Obj}$ \\
\hline
Flynn et~al. (\cite{Flynn96}) &
$\left\{
\begin{array}{c}
24.63<I<26.30 \\
V-I>1.8
\end{array}
\right.$ & $<$3 \\
M\'endez et~al. (\cite{Mendez96}) &
$
\left\{
\begin{array}{c}
25\leq V\leq30 \\
-0.5<B-V<0.5 \\
0<V-I<1.2
\end{array}
\right.
$ &
$\sim$6  \\
Ibata et~al. (\cite{Ibata99}) &
$\left\{
\begin{array}{c}
27<V<28 \\
-0.2<V-I<1.0
\end{array}
\right.
$
 & 4\\
 \\[-3mm]
\hline
\end{tabular}
\end{table}