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\bibitem{Guerrero_etal2021} Guerrero, M., Olmo, G. J., \& Rubiera-Garcia, D. (2021). Double shadows of reflection-asymmetric wormholes supported by positive energy thin-shells. \textit{J. Cosmol. Astropart. Phys.}, \textit{04}(4), 066--26pp.

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