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\bibitem{Lopez-Honorez_etal2020} Lopez-Honorez, L., Mena, O., Palomares-Ruiz, S., Villanueva-Domingo, P., \& Witte, S. J. (2020). Variations in fundamental constants at the cosmic dawn. \textit{J. Cosmol. Astropart. Phys.}, \textit{06}(6), 026--25pp.

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