	\def\dessin#1#2{
	\begin{figure}[hbtp]
	\begin{center}
	%If you prefer cm use the followin two lines
	%\setlength{\unitlength}{1mm}
	%\fbox{\begin{picture}(84,59)
	\fbox{\begin{picture}(240.0,169.6)
	\special{psfile='armas.ps.n' hscale=80.0 vscale=80.0}
	\end{picture}}
	\end{center}
	\caption{\label{#2}#1}
	\end{figure}}
