\begin{table}%t3
%\centering
\par
\caption {\label{refs.tab}References to Tables~\ref{observables.tab}
and~\ref{derived.tab}.}
{\tiny
\begin{tabular}{rlclclcl}
\hline
\hline
No. & Reference & No. & Reference & No. & Reference & No. & Reference \\
\hline
 1 & Adams et~al. (\cite{Adams01})         & 13 & Hillenbrand \& Hartmann 
 (\cite{Hillenbrand98}) & 25 & McNamara \& Sanders (\cite{McNamara77})   & 37 & Sandquist (\cite{Sandquist04})             \\
 2 & Adams et~al. (\cite{Adams02})         & 14 & Hurley et~al. (\cite{Hurley05})           & 26 & McNamara \& Sekiguchi (\cite{McNamara86}) & 38 & Scally et~al. (\cite{Scally05})         \\
 3 & Batinelli et~al. (\cite{Batinelli94})     & 15 & Jones (\cite{Jones70})                   & 27 & Nilakshi et~al. (\cite{Nilakshi02})       & 39 & Spassova \& Baev 
 (\cite{Spassova85})      \\
 4 & Bonatto \& Bica (\cite{Bonatto03})      & 16 & Jones (\cite{Jones71})                   & 28 & Odenkirchen et~al. (\cite{Odenkirchen98})    & 40 & Sung et~al. (\cite{Sung99})           \\
 5 & Clari\'a \& Lapasset (\cite{Claria88}) & 17 & Jones \& Walker (\cite{Jones88})         & 29 & Palla \& Stahler (\cite{Palla99})      & 41 & Sung et~al. (\cite{Sung02})           \\
 6 & Dachs \& Kabus (1989)       & 18 & Joshi \& Sagar (\cite{Joshi83})          & 30 & Pandey et~al. (\cite{Pandey89})         & 42 & Tadross (\cite{Tadross01})               \\
 7 & Dambis (\cite{Dambis99})               & 19 & Kalirai et~al. (\cite{Kalirai03})          & 31 & Paunzen \& Netopil (\cite{Paunzen06})    & 43 & Tadross et~al. (\cite{Tadross02})        \\
 8 & Danilov \& Seleznev (\cite{Danilov94})  & 20 & Kharchenko et~al. (\cite{Kharchenko05})       & 32 & Perryman et~al. (\cite{Perryman98})       & 44 & Taylor (\cite{Taylor07})                \\
 9 & Dias et~al. (\cite{Dias02})          & 21 & Kopylov (\cite{Kopylov52})                 & 33 & Sagar \& Bhatt (\cite{Sagar89})        & 45 & van Altena et~al. 
 (\cite{vanAltena88})     \\
10 & Dinescu et~al. (\cite{Dinescu95})       & 22 & Makarov et~al. (\cite{Makarov00})          & 34 & Sagar \& Cannon (\cite{Sagar97})       & 46 & VandenBerg \& Stetson (\cite{VandenBerg04}) \\
11 & Gieseking (\cite{Gieseking81})            & 23 & Mathieu (\cite{Mathieu84})                 & 35 & Sagar et~al. (\cite{Sagar83})          & 47 & von Hippel et~al. (\cite{vonHippel02})     \\
12 & Girard et~al. (\cite{Girard89})        & 24 & Mathieu (1985)                 & 36 & Salaris et~al. (\cite{Salaris04})        \\
\hline
\end{tabular}
} 
\end{table}