\begin{table}%t3
\caption{\label{isostars}Basic properties of ISO test stars.} 
%\centerline
{\small
\begin{tabular}{c c c c c} 
\hline\hline
Source & ISO TDT number & Spectral class & Variability & Ref.\\ 
\hline % inserts single horizontal line
 % inserting body of the table
CE And & 80104817& M5 & Lb & 1\\
$o$ Cet & 45101201 & M7IIIe & Mira & 2\\
Z Cyg & 37400126 & M5e & Mira & 3\\
TY Dra & 74102309 & M8 & Lb & 1\\
S Pav & 14401702 & M7IIe & SRa & 1\\
SV Peg & 74500605 & M7 & SRb & 1\\
\hline
\end{tabular}}
\tablebib{(1) \citet{olofsson02}; (2) \citet{loup93}; (3)~\citet{groen99}.} 
\end{table}