Update UCDlist.tex

replace & by _ in tex for A&A reference

UCDlist.tex

@@ -895,7 +895,7 @@ \subsubsection*{Amendment}
 \subsubsection*{Deletion}
 Deprecate term \emph{pos.lambert} (appearing in one table only) and propose \emph{pos.projection} instead.
 In the future  setting up a VO vocabulary to record  projection names and identifiers together with the associated 
-parameters if needed, as defined in the Calabreta  and Greisen FITS Paper  \citep{2002A&A...395.1077C} on table 13.
+parameters if needed, as defined in the Calabreta  and Greisen FITS Paper  \citep{2002A_A...395.1077C} on table 13.
 
 \subsection{Changes from UCDList EN v1.4 following RFM}
 \subsubsection*{Additions}