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@article{georgescu1971,
  title={The entropy law and the economic problem},
  author={Georgescu-Roegen, Nicholas},
  journal={Harvard University, Harvard},
  year={1971}
}
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begin{document}

The book emph{The Enthropy Law and the Economic Process} citep{georgescu1971} is very important to understand the theory of economic degrowth.
newpage

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end{document}