\documentclass[a4paper,11pt]{article}
\usepackage{CAR}
\begin{document}


\setcounter{footnote}{0}
\setcounter{figure}{0}

\Abschnitt{Besprechungen zu Büchern der Computeralgebra}{Besprechungen zu Büchern der Computeralgebra}{buchbespr}
\vspace{3mm}


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%% FOR THE AUTHOR OF THE REVIEW
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\UnterAbschnitt
% Authors and title of the book
{\bf First Author, Second Author\\ Title of the book}
% For the table of content:
{Author1, Author2: Title (Name of the reviewer)}
% Label
{label}

Verlag, Ort Jahr, ??? Seiten, 
ISBN 000-0-0000-0000-0, \euro~99,99


\begin{multicols}{2}
\noindent


% %
% %
% %
% %   WRITE YOUR REVIEW HERE
% %
% %
% %

\bigskip
\begin{flushright}
Name of the reviewer (City)
\end{flushright}

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\end{multicols}

\end{document}
