\begin{table}%t1
%\centering
\par
\caption{\label{tab:teff}Major publications, in terms of number of stars,  providing \Teff determinations.}
\begin{tabular}{@{}l r c l @{}}
\hline \hline 
Reference & \# stars & \Teff range & Method \\
\hline 
\citet{Alo96, Alo99} &    753 & 3562--9232  & IRFM \\
\citet{Bla98} &   420  & 4063--9720 & IRFM \\
\citet{diB98} &   533  & 3846--10021 & surface brightness + $V-K$ calibration\\
\citet{Kov03, Kov04, Kov06} & 645 & 3700--6118 & Line Depth Ratios \\
\citet{Mas06} & 10999  & 3748--7987  & SED fit + $V-K$ calibration\\
\citet{Ram05} &  754 & 3535--9233 & IRFM \\
\citet{Gonz09} & 814 & 3745--7489 & IRFM  + colour calibrations\\
\hline
\end{tabular}
\end{table}