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\chapter{\Huge \bf Os paradigmas da luz}
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\noindent {\huge {\it Nome do autor} }
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\section{Primeira se\c{c}\~{a}o}


The paradigm of light is the Ariadne’s thread of the standard models. 



\subsection{primeira subse\c{c}\~{a}o}  % se precisar (if you need) 
 Light is one of the manifestations of the electromagnetic interaction.
  
  
  
  
  
  \section{Segunda}  \label{segunda}
  
  This interaction is not universal as the gravitational interaction but more than all other interactions~\cite{Bailey}.

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\caption{\small Primeira figura.}
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 \section{Conclus\~{a}o}  

In section \ref{segunda},  the same status of physics is shown in  figure \ref{prima}.


\begin{thebibliography}{90}

\vspace*{-2mm} \bibitem[{\bf Bailey, C., 1928}]{Bailey} {\it The Greek Atomists and Epicurus}. Oxford: Claredon Press.

\vspace*{-2mm} \bibitem[{\bf M. H. Shamos, 1987}]{shamos} {\it Great Experiments in Physics}.  New York: Dover Pub. Inc.

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