\begin{table}%t11
\caption{\label{tl}Specific angular momentum of 4 sources at two different scales.}
\par
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\par
\begin{tabular}{lccccc}
\hline \hline \noalign{\smallskip}
Source & $M_{{\rm dust}}$ & $r$\tablefootmark{a} & $l$\tablefootmark{b} & $r_{{\rm ini}}$\tablefootmark{c} & $l_{{\rm ini}}$\tablefootmark{d} \\
 & ($M_{\odot}$) & (pc) & (km~s$^{-1}$ pc) & (pc) & (km~s$^{-1}$ pc)\\
\hline
18236--1205 & 780 & 0.17 & 0.08 & 15 & 7\\
18316--0602 & 1000 & 0.23 & 0.14 & 17 & 9\\
G34.43+0.2M1 & 301 & 0.22 & 0.07 & 11 & 4\\
19095+0930 & 500 & 0.23 & 0.15 & 13 & 6\\
\hline
\end{tabular}
\tablefoot {\tablefoottext{a}{Radius of the rotating clump: half the extension of the C$^{18}$O(2--1) velocity gradient;}
\tablefoottext{b}{specific angular momentum of the clump;}
\tablefoottext{c}{radius of the initial clump (assuming $n_{{\rm H_2}}$~$\sim$~1~cm$^{-3}$);}
\tablefoottext{d}{estimated specific angular momentum of the initial clump.}}
\vspace*{2mm}
\end{table}