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\begin{document}
\begin{center}
   {\large \bf Properties of rho and eta mesons}\\[2mm]
   {\large \bf in nuclear matter}\\[5mm]
   M.~Herrmann, Chr.~Sauermann, B.~L.~Friman and W.~N\"orenberg \\[5mm]
   {\small \it  Gesellschaft f\"ur Schwerionenforschung (GSI) \\
   Postfach 110552, D-64220 Darmstadt, Germany \\[8mm] }
\end{center}

\begin{abstract}\noindent
   The properties of $\rho$- and $\eta$-mesons in nuclear matter are
   studied within the scope of hadronic models. Unknown \ldots of the
   two branches survives at zero momentum.
\end{abstract}

\section{Introduction}
A main objective of heavy-ion collision experiments at intermediate
energies is to determine the properties of nuclear matter at \ldots

\section{The $\rho$-Meson in Nuclear Matter and $e^+e^-$ Production}
In the first calculations \cite{GK,KP} of dilepton production in
nuclear matter, \ldots
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\begin{center}
   \includegraphics[width=6cm,height=5cm,angle=-90]{figure_1.eps}\\
   \parbox{14cm}
        {\centerline{\footnotesize 
        Fig.~1: Spectral function (left) of
        the $\rho$-meson as a function \dots}}
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\dots where the spectral function in one-loop approximation \dots
\subsection{The $\rho$-Meson in Vacuum}
Our Lagrange density for the photons, the neutral $\rho$-mesons and
the charged $\pi$-mesons reads

\begin{equation}
    {\cal L} = \dots\dots,
\end{equation}
where \ldots to the isovector P-wave phase shifts for $\pi \pi$
scattering (see Fig.~2).
\begin{thebibliography}{99}
\itemsep=0cm
\bibitem{GK}
C.~Gale and J.~Kapusta, Phys.~Rev.~{\bf C35} (1987) 2107;
\bibitem{KP}
C.L.~Korpa and S.~Pratt, Phys.~Rev.~Lett.~{\bf 64} (1990) 1502.
\end{thebibliography}

\end{document}