\begin{table}%t7
 \caption{\label{ratio}Comparison of the C, N, O and S isotopic ratios in the $z = 0.89$ galaxy (SW~absorption) 
with different other environments.} 
\small%\centerline
{
 \begin{tabular}{lcccccc}
\hline \hline\noalign{\smallskip}
                     & $^{12}$C / $^{13}$C & $^{14}$N / $^{15}$N & $^{16}$O / $^{18}$O   & $^{18}$O / $^{17}$O & $^{32}$S / $^{34}$S \\ 
\hline\noalign{\smallskip}
{\bf $\vec{z}$ = 0.89 galaxy}  & {\bf 27 $\pm$ 2}   & {\bf 130 $^{+20}_{-15}$} $^\dagger$     & {\bf 52 $\pm$ 4} $^\dagger$        & {\bf 12 $^{+3}_{-2}$}     & {\bf 10 $\pm$ 1}    \\ 
Solar System (a)     & 89                  & 270                       & 490                   & 5.5                 & 22                 \\  
Local ISM (b)        & 59 $\pm$ 2          & 237 $^{+27}_{-21}$        & 672 $\pm$ 110         & 3.65 $\pm$ 0.15       & 19 $\pm$ 8          \\ 
Galactic Center (c)  & 25 $\pm$ 5          & 900 $\pm$ 200             & 250 $\pm$ 30          & 3.5 $\pm$ 0.2       & 18 $\pm$ 5          \\ 
IRC+10216 (d)        & 45 $\pm$ 3          & $>$4400                  & 1260 $^{+315}_{-240}$ & 0.7 $\pm$ 0.2       & 21.8 $\pm$ 2.6      \\ 
\noalign{\smallskip}\hline
LMC (e)              & 62 $\pm$ 5          & 114 $\pm$ 14              & $>$2000              & 1.8 $\pm$ 0.4       & 18 $\pm$ 6      \\    
NGC~253 (f)          & 40 $\pm$ 10         & --                        & 200 $\pm$ 50          & 6.5 $\pm$ 1         & 8 $\pm$ 2           \\ 
NGC~4945 (g)         & 50 $\pm$ 10         & 105 $\pm$ 25              & 195 $\pm$ 45          & 6.4 $\pm$ 0.3       & 13.5 $\pm$ 2.5      \\ 
\hline  
\end{tabular}}
\smallskip
$^\dagger$ Derived from a double ratio assuming $^{12}$C/$^{13}$C = 27 $\pm$ 2. \\
References: 
a)~Anders \& Grevesse (\cite{and89});
b)~Lucas \& Liszt (\cite{luc98}), except for $^{18}$O/$^{17}$O taken from Penzias (\cite{pen81});
c)~Wilson \& Matteucci (\cite{wil92}), Wilson \& Rood (\cite{wil94}) and references therein;
d)~Kahane et~al. (\cite{kah88}, \cite{kah92}) and Cernicharo et~al. (\cite{cer00});
e)~Chin (\cite{chi99a});
f)~Henkel \& Mauersberger (\cite{hen93}), Harrison et~al. (\cite{har99}) and Mart\'in et~al. (\cite{mar05});
g)~Wang et~al. (\cite{wan04}). 
\end{table}