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\bibitem{Barrientos_etal2018} Barrientos, E., Lobo, F. S. N., Mendoza, S., Olmo, G. J., \& Rubiera-Garcia, D. (2018). Metric-affine f(R,T) theories of gravity and their applications. \textit{Phys. Rev. D}, \textit{97}(10), 104041--10pp.

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