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\vspace*{-2mm}
\begin{center}
{\large \bf HEAVY FLAVORS \\[3mm]
 IN HIGH ENERGY ELECTRON-POSITRON COLLISIONS}
%\footnote{\normalsize Contribution to `` Heavy Flavors '',
%Eds. A.J. Buras and M. Lindner,
%Directions in High Energy Physics,
%World Scientific Publishing Co.}}%
\\[2cm]
J.H. K\"uhn $^1$ and P.M. Zerwas $^2$\\[8mm]
{\em $^1$ Institut f. Theor. Teilchenphysik, Universit\"at Karlsruhe \\
D--76131 Karlsruhe, Germany\\[3mm]}
{\em $^2$ Deutsches Elektronen-Synchrotron DESY \\
D--22603 Hamburg, Germany\\[1.2cm]}
\end{center}































