\begin{table}%T1
\caption{Sample of 16 GRBs with known redshift. The 6 columns give the
name of the GRB, the instrument, the measured redshift~$z$, the
corresponding reference, the ACF half-width at half-maximum
$\tau_{0}$, and the width corrected for time dilation $\tau'_{0}$.} 
\label{tsample} 
$$
\begin{array}{llllll}
\hline
\hline
\noalign{\smallskip}
{\rm GRB} & 
{\rm Instrument} &
z &
{\rm Ref.} & 
\tau_{0}(s) & 
\tau'_{0}(s) \\
\noalign{\smallskip}
\hline 
\noalign{\smallskip}
970508 & {\rm  BATSE }      & 0.835  & 1  & 2.70 &  1.47 \\
970828 & {\rm  BATSE}       & 0.9578     & 2  &    15.33 &  7.83 \\
971214 & {\rm  BATSE/Konus} & 3.418  & 3  & 8.02 &  1.81 \\
980329 & {\rm  BATSE/Konus} & 3\pm1  & 4  & 5.96 &  1.49 \\
980425 & {\rm  BATSE}       & 0.0085     & 5  & 7.62 &  7.56 \\
980703 & {\rm  BATSE}       & 0.966  & 6  & 14.15 &  7.19 \\
990123 & {\rm  BATSE/Konus} & 1.600  & 7  & 19.81 &  7.62 \\
990506 & {\rm  BATSE/Konus} & 1.3066     & 8  & 3.83 &  1.66 \\
990510 & {\rm  BATSE/Konus} & 1.619  & 9  & 2.54 &  0.97 \\
991208 & {\rm  Konus }      & 0.7055     & 10 & 3.67 &  2.15 \\
991216 & {\rm  BATSE/Konus} & 1.02   & 11 & 3.80 &  1.88 \\
000131 & {\rm  BATSE}       & 4.500  & 12 & 5.77 &  1.05 \\
000210 & {\rm  Konus }      & 0.846 & 13 & 2.43 &  1.31 \\
010222 & {\rm  Konus }      & 1.477  & 14 & 3.68 &  1.48 \\
011121 & {\rm  Konus }      & 0.362 & 15 & 9.98 &  7.32 \\
030329 & {\rm  Konus/INTEGRAL}  & 0.1685  & 16 & 2.56 &  2.19 \\
\noalign{\smallskip}
\hline
\end{array}
$$\end{table}