\begin{table}%tD.1
\caption{Effective collision strengths for \oiii.}\label{tab_oiii}
\small%%\centerline
\par
 {
\begin{tabular}{l|llll}
\hline\hline
%&&&& \\[-8pt]
\Te/10$^4$~K: &    0.5 &    1.0 &    2.0 &   3.0 \\ 
\hline
%&&&& \\[-8pt]
Reference:$^a$ & \multicolumn{4}{c}{$\Omega$($^3$P~$-$~$^1$D)} \\
Sea58         & --      & 1.59   & --      & --      \\      
SSS69         & --      & 2.39   & --      & --      \\  
ENS69         & 1.85   & 2.50   & 2.91   & 2.96   \\       
ES74          & 2.17   & 2.36   & 2.55   & --      \\   
Men83         & 2.02   & 2.17   & 2.39   & --      \\
Ag83         & 2.035  & 2.184  & 2.404  & 2.511  \\
BLS89         & 2.10   & 2.29   & 2.51   & 2.60   \\
Ag93         & 2.039  & 2.191  & 2.414  & 2.519  \\
LB94          & 2.1268 & 2.2892 & 2.5174 & 2.6190 \\ 
AgK99$^b$     & 2.0385 & 2.1906 & 2.4147 & 2.5191 \\
LB94/AgK99$^c$& 1.0435 & 1.0450 & 1.0425 & 1.0397 \\
       & \multicolumn{4}{c}{$\Omega$($^3$P~$-$~$^1$S)} \\
Sea58         &   --    & 0.220  &   --    &  --     \\     
SSS69         &   --    & 0.335  &   --    &  --     \\    
ENS69         & 0.255  & 0.298  & 0.331  & 0.339  \\     
ES74          & 0.276  & 0.325  & 0.356  &    --   \\    
Men83         & 0.248  & 0.276  & 0.314  &    --   \\    
Ag83         & 0.2521 & 0.2793 & 0.3162 & 0.3315 \\   
BLS89         & 0.260  & 0.287  & 0.318  & 0.331  \\   
Ag93         & 0.2732 & 0.2885 & 0.3221 & 0.3404 \\   
LB94          & 0.2720 & 0.2925 & 0.3290 & 0.3466 \\   
AgK99$^b$     & 0.2732 & 0.2885 & 0.3221 & 0.3404 \\
LB94/AgK99$^c$& 0.9956 & 1.0139 & 1.0214 & 1.0182 \\
              & \multicolumn{4}{c}{$\Omega$($^1$D~$-$~$^1$S)} \\
Sea58         &   --    & 0.640  &   --    &   --    \\     
SSS69         &   --    & 0.310  &   --    &   --    \\  
ENS69         & 0.483  & 0.578  & 0.555  & 0.510  \\   
ES74          & 0.807  & 0.856  & 0.752  &   --    \\   
Men83         & 0.516  & 0.617  & 0.634  &   --    \\   
Ag83         & 0.5463 & 0.6468 & 0.6670 & 0.6524 \\   
BLS89         & 0.59   & 0.677  & 0.664  & 0.634  \\  
Ag93         & 0.4312 & 0.5227 & 0.5769 & 0.5812 \\   
LB94          & 0.4942 & 0.5815 & 0.6105 & 0.6044 \\   
AgK99$^b$     & 0.4312 & 0.5227 & 0.5769 & 0.5812 \\
LB94/AgK99$^c$& 1.1461 & 1.1125 & 1.0582 & 1.0399 \\
\hline
\end{tabular}}
\medskip
$^a$ Refs: Sea58: Seaton (\cite{sea58}); 
SSS69: Saraph et~al. (\cite{sar69}); 
ENS69: Eissner et~al. (\cite{eis69}); 
ES74:  Eissner \& Seaton (\cite{eis74}); 
Men83: Mendoza (\cite{men83}); 
Ag83: Aggarwal (\cite{agg83}); 
BLS89: Burke et~al. (\cite{bur89}); 
Ag93: Aggarwal (\cite{agg93}); 
LB94:  Lennon \& Burke (\cite{len94}); 
AgK99: Aggarwal \& Keenan (\cite{agg99}).\\
$^b$ Results from Aggarwal (\cite{agg93}).\\
$^c$ Collision strength ratio.
\end{table}