\begin{table}%t6
\caption{Literature and present values of metallicity for M71.}             
\label{met}      
%\centering
\small                          
\begin{tabular}{lcccc}      
\hline\hline                
[Fe/H] & [FeI/H] & [FeII/H] & Method  & Reference                                          \\   
\hline                       
$-$0.79 & $-$0.79 & $-$0.79  & High-resolution: 10 giants  	    & Sneden et~al. (\cite{Sned94})	    \\
$-$0.73 & ---   &  ---   & Compilation			    & Harris (\cite{Harr96})		    \\
$-$0.71 & $-$0.71 & $-$0.84  & High-resolution: 25 stars		    & Ramirez et~al. (\cite{Ram01})	    \\
$-$0.82 & $-$0.81 & $-$0.82  & Revision of Sneden et~al.'s 10 giants & Kraft \& Ivans (\cite{kraft03})	    \\
$-$0.80 & $-$0.81 & $-$0.85  & High-resolution: 5 dwarfs		    & Boesgaard et~al. (\cite{Boes05})	    \\
$-$0.81 &  ---  & ---    & Fitting Functions		    & Fe5270 index (Present work)   \\
$-$0.91 &  ---  & ---    & Idem				    & Fe5335 index (Present work)   \\
$-$0.68 &  ---  & ---    & Idem				    & Mg$_2$ index (Present work)   \\
\hline                                 
\end{tabular}
\end{table}